CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available" lang="en" dir="ltr"> <head> <meta charset="UTF-8"> <title>Science Citation Index Expanded - Wikipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )enwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy", "wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"5951c5a9-b0c5-4551-a6ec-87d1985d1b99","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Science_Citation_Index_Expanded","wgTitle":"Science Citation Index Expanded","wgCurRevisionId":1250619372,"wgRevisionId":1250619372,"wgArticleId":6852678,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Articles with short description","Short description is different from Wikidata","Wikipedia external links cleanup from June 2022","Citation indices","Online databases","Clarivate","1964 establishments"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Science_Citation_Index_Expanded","wgRelevantArticleId":6852678,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true, "wgRestrictionEdit":[],"wgRestrictionMove":[],"wgRedirectedFrom":"Chemistry_Citation_Index","wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":false,"wgFlaggedRevsParams":{"tags":{"status":{"levels":1}}},"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":false,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":10000,"wgInternalRedirectTargetUrl":"/wiki/Science_Citation_Index_Expanded","wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q104047209","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile" ,"model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["mediawiki.action.view.redirect","ext.cite.ux-enhancements","site","mediawiki.page.ready","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ReferenceTooltips","ext.gadget.switcher","ext.urlShortener.toolbar", "ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.quicksurveys.init","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=en&modules=ext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Science Citation Index Expanded - Wikipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//en.m.wikipedia.org/wiki/Science_Citation_Index_Expanded"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=Science_Citation_Index_Expanded&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (en)"> <link rel="EditURI" type="application/rsd+xml" href="//en.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://en.wikipedia.org/wiki/Science_Citation_Index_Expanded"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en"> <link rel="alternate" type="application/atom+xml" title="Wikipedia Atom feed" href="/w/index.php?title=Special:RecentChanges&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Science_Citation_Index_Expanded rootpage-Science_Citation_Index_Expanded skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Jump to content</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Main menu" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Main menu</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Main menu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">hide</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Main_Page" title="Visit the main page [z]" accesskey="z"><span>Main page</span></a></li><li id="n-contents" class="mw-list-item"><a href="/wiki/Wikipedia:Contents" title="Guides to browsing Wikipedia"><span>Contents</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Portal:Current_events" title="Articles related to current events"><span>Current events</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Random" title="Visit a randomly selected article [x]" accesskey="x"><span>Random article</span></a></li><li id="n-aboutsite" class="mw-list-item"><a href="/wiki/Wikipedia:About" title="Learn about Wikipedia and how it works"><span>About Wikipedia</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia"><span>Contact us</span></a></li> </ul> </div> </div> <div id="p-interaction" class="vector-menu mw-portlet mw-portlet-interaction" > <div class="vector-menu-heading"> Contribute </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-help" class="mw-list-item"><a href="/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia"><span>Help</span></a></li><li id="n-introduction" class="mw-list-item"><a href="/wiki/Help:Introduction" title="Learn how to edit Wikipedia"><span>Learn to edit</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Community_portal" title="The hub for editors"><span>Community portal</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:RecentChanges" title="A list of recent changes to Wikipedia [r]" accesskey="r"><span>Recent changes</span></a></li><li id="n-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_upload_wizard" title="Add images or other media for use on Wikipedia"><span>Upload file</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Main_Page" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="The Free Encyclopedia" src="/static/images/mobile/copyright/wikipedia-tagline-en.svg" width="117" height="13" style="width: 7.3125em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Search Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Wikipedia" aria-label="Search Wikipedia" autocapitalize="sentences" title="Search Wikipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Personal tools"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Appearance" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_en.wikipedia.org&uselang=en" class=""><span>Donate</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreateAccount&returnto=Science+Citation+Index+Expanded" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&returnto=Science+Citation+Index+Expanded" title="You're encouraged to log in; however, it's not mandatory. [o]" accesskey="o" class=""><span>Log in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Log in and more options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personal tools" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personal tools</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_en.wikipedia.org&uselang=en"><span>Donate</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&returnto=Science+Citation+Index+Expanded" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create account</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:UserLogin&returnto=Science+Citation+Index+Expanded" title="You're encouraged to log in; however, it's not mandatory. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/Help:Introduction" aria-label="Learn more about editing"><span>learn more</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Top)</div> </a> </li> <li id="toc-Accessibility" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Accessibility"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Accessibility</span> </div> </a> <ul id="toc-Accessibility-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Specialty_citation_indexes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Specialty_citation_indexes"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Specialty citation indexes</span> </div> </a> <ul id="toc-Specialty_citation_indexes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Further_reading" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Further_reading"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Further reading</span> </div> </a> <ul id="toc-Further_reading-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Science Citation Index Expanded</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 21 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-21" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">21 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D8%A4%D8%B4%D8%B1_%D8%A7%D9%84%D8%A7%D9%82%D8%AA%D8%A8%D8%A7%D8%B3_%D8%A7%D9%84%D8%B9%D9%84%D9%85%D9%8A" title="مؤشر الاقتباس العلمي – Arabic" lang="ar" hreflang="ar" data-title="مؤشر الاقتباس العلمي" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Science_Citation_Index" title="Science Citation Index – Catalan" lang="ca" hreflang="ca" data-title="Science Citation Index" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Science_Citation_Index_Expanded" title="Science Citation Index Expanded – German" lang="de" hreflang="de" data-title="Science Citation Index Expanded" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Science_Citation_Index_Expanded" title="Science Citation Index Expanded – Spanish" lang="es" hreflang="es" data-title="Science Citation Index Expanded" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%86%D9%85%D8%A7%DB%8C%D9%87_%D8%A7%D8%B3%D8%AA%D9%86%D8%A7%D8%AF%DB%8C_%D8%B9%D9%84%D9%88%D9%85" title="نمایه استنادی علوم – Persian" lang="fa" hreflang="fa" data-title="نمایه استنادی علوم" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Science_Citation_Index" title="Science Citation Index – French" lang="fr" hreflang="fr" data-title="Science Citation Index" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EA%B3%BC%ED%95%99%EC%9D%B8%EC%9A%A9%EC%83%89%EC%9D%B8" title="과학인용색인 – Korean" lang="ko" hreflang="ko" data-title="과학인용색인" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Science_Citation_Index" title="Science Citation Index – Croatian" lang="hr" hreflang="hr" data-title="Science Citation Index" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Science_Citation_Index_Expanded" title="Science Citation Index Expanded – Indonesian" lang="id" hreflang="id" data-title="Science Citation Index Expanded" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Science_Citation_Index" title="Science Citation Index – Italian" lang="it" hreflang="it" data-title="Science Citation Index" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/Science_Citation_Index" title="Science Citation Index – Macedonian" lang="mk" hreflang="mk" data-title="Science Citation Index" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/Science_Citation_Index" title="Science Citation Index – Japanese" lang="ja" hreflang="ja" data-title="Science Citation Index" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Science_Citation_Index" title="Science Citation Index – Polish" lang="pl" hreflang="pl" data-title="Science Citation Index" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Science_Citation_Index" title="Science Citation Index – Portuguese" lang="pt" hreflang="pt" data-title="Science Citation Index" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/Science_Citation_Index" title="Science Citation Index – Russian" lang="ru" hreflang="ru" data-title="Science Citation Index" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Science_Citation_Index" title="Science Citation Index – Finnish" lang="fi" hreflang="fi" data-title="Science Citation Index" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%85%E0%AE%B1%E0%AE%BF%E0%AE%B5%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D_%E0%AE%AE%E0%AF%87%E0%AE%B1%E0%AF%8D%E0%AE%95%E0%AF%8B%E0%AE%B3%E0%AF%8D_%E0%AE%9A%E0%AF%81%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AF%86%E0%AE%A3%E0%AF%8D" title="அறிவியல் மேற்கோள் சுட்டெண் – Tamil" lang="ta" hreflang="ta" data-title="அறிவியல் மேற்கோள் சுட்டெண்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%9D%D0%B0%D0%BC%D0%BE%D1%8F%D0%B8_%D0%B8%D1%81%D1%82%D0%B8%D0%BD%D0%BE%D0%B4%D0%B8%D0%B8_%D1%83%D0%BB%D1%83%D0%BC" title="Намояи истинодии улум – Tajik" lang="tg" hreflang="tg" data-title="Намояи истинодии улум" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajik" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/Science_Citation_Index" title="Science Citation Index – Ukrainian" lang="uk" hreflang="uk" data-title="Science Citation Index" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Science_Citation_Index" title="Science Citation Index – Vietnamese" lang="vi" hreflang="vi" data-title="Science Citation Index" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%A7%91%E5%AD%A6%E5%BC%95%E6%96%87%E7%B4%A2%E5%BC%95" title="科学引文索引 – Chinese" lang="zh" hreflang="zh" data-title="科学引文索引" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q104047209#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Science_Citation_Index_Expanded" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:Science_Citation_Index_Expanded" rel="discussion" title="Discuss improvements to the content page [t]" accesskey="t"><span>Talk</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Science_Citation_Index_Expanded"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Science_Citation_Index_Expanded&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Science_Citation_Index_Expanded&action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Tools" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tools</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Science_Citation_Index_Expanded"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Science_Citation_Index_Expanded&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Science_Citation_Index_Expanded&action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/Science_Citation_Index_Expanded" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/Science_Citation_Index_Expanded" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Science_Citation_Index_Expanded&oldid=1250619372" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Science_Citation_Index_Expanded&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&page=Science_Citation_Index_Expanded&id=1250619372&wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FScience_Citation_Index_Expanded"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FScience_Citation_Index_Expanded"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Science_Citation_Index_Expanded&action=show-download-screen" title="Download this page as a PDF file"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Science_Citation_Index_Expanded&printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q104047209" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Redirected from <a href="/w/index.php?title=Chemistry_Citation_Index&redirect=no" class="mw-redirect" title="Chemistry Citation Index">Chemistry Citation Index</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Citation index</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><caption class="infobox-title">Science Citation Index Expanded</caption><tbody><tr><th scope="row" class="infobox-label">Producer</th><td class="infobox-data" style="text-align: left"><a href="/wiki/Clarivate" title="Clarivate">Clarivate</a> (Canada and Hong Kong)</td></tr><tr><th scope="row" class="infobox-label">History</th><td class="infobox-data" style="text-align: left">1964<span class="noprint">; 60 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">1964</span>)</span></td></tr><tr><th colspan="2" class="infobox-header">Coverage</th></tr><tr><th scope="row" class="infobox-label">Disciplines</th><td class="infobox-data" style="text-align: left">Science, medicine, and technology</td></tr><tr><th colspan="2" class="infobox-header">Print edition</th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a></th><td class="infobox-data" style="text-align: left"><a rel="nofollow" class="external text" href="https://www.worldcat.org/search?fq=x0:jrnl&q=n2:0036-827X">0036-827X</a></td></tr><tr><th colspan="2" class="infobox-header">Links</th></tr><tr><th scope="row" class="infobox-label">Website</th><td class="infobox-data" style="text-align: left"><span class="url"><a rel="nofollow" class="external text" href="http://mjl.clarivate.com/cgi-bin/jrnlst/jloptions.cgi?PC=K">mjl<wbr />.clarivate<wbr />.com<wbr />/cgi-bin<wbr />/jrnlst<wbr />/jloptions<wbr />.cgi?PC=K</a></span></td></tr></tbody></table> <p>The <b>Science Citation Index Expanded</b> (previously titled <b>Science Citation Index</b>) is a <a href="/wiki/Citation_index" title="Citation index">citation index</a> originally produced by the <a href="/wiki/Institute_for_Scientific_Information" title="Institute for Scientific Information">Institute for Scientific Information</a> (ISI) and created by <a href="/wiki/Eugene_Garfield" title="Eugene Garfield">Eugene Garfield</a>. </p><p>The Science Citation Index (SCI) was officially launched in 1964,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> and later was distributed via <a href="/wiki/CD-ROM" title="CD-ROM">CD</a>/<a href="/wiki/DVD" title="DVD">DVD</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Then in 1997, Science Citation Index Expanded (SCIE) superseded SCI, and becomes available online. SCIE is now owned by <a href="/wiki/Clarivate" title="Clarivate">Clarivate</a> (previously the Intellectual Property and Science business of <a href="/wiki/Thomson_Reuters" title="Thomson Reuters">Thomson Reuters</a>).<sup id="cite_ref-dimension_3-0" class="reference"><a href="#cite_note-dimension-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-evolve_4-0" class="reference"><a href="#cite_note-evolve-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-gOverview_5-0" class="reference"><a href="#cite_note-gOverview-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-history-cite-indexing_6-0" class="reference"><a href="#cite_note-history-cite-indexing-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p>The indexing database covers more than 9,200 notable and significant <a href="/wiki/Scientific_journal" title="Scientific journal">journals</a>, across 178 disciplines, from 1900 to the present. These are alternatively described as the world's leading journals of <a href="/wiki/Science" title="Science">science</a> and <a href="/wiki/Technology" title="Technology">technology</a>, because of a rigorous selection process.<sup id="cite_ref-Expanded_8-0" class="reference"><a href="#cite_note-Expanded-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-wetland_9-0" class="reference"><a href="#cite_note-wetland-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-shan_10-0" class="reference"><a href="#cite_note-shan-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Accessibility">Accessibility</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Science_Citation_Index_Expanded&action=edit&section=1" title="Edit section: Accessibility"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The index is available online within <a href="/wiki/Web_of_Science" title="Web of Science">Web of Science</a>,<sup id="cite_ref-AtoZ_11-0" class="reference"><a href="#cite_note-AtoZ-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> as part of its Core Collection (there are also CD and printed editions, covering a smaller number of journals).<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> The database allows researchers to search through over 53 million records from thousands of academic journals that were published by publishers from around the world. </p> <div class="mw-heading mw-heading2"><h2 id="Specialty_citation_indexes">Specialty citation indexes<span class="anchor" id="Chemistry_Citation_Index"></span><span class="anchor" id="Neuroscience_Citation_Index"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Science_Citation_Index_Expanded&action=edit&section=2" title="Edit section: Specialty citation indexes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Clarivate previously marketed several subsets of this database, termed "Specialty Citation Indexes",<sup id="cite_ref-SpCI_14-0" class="reference"><a href="#cite_note-SpCI-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> such as the <b>Neuroscience Citation Index</b><sup id="cite_ref-NCI_15-0" class="reference"><a href="#cite_note-NCI-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> and the <b>Chemistry Citation Index</b>,<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> however these databases are no longer actively maintained. </p><p>The Chemistry Citation Index was first introduced by Eugene Garfield, a chemist by training. His original "search examples were based on [his] experience as a chemist".<sup id="cite_ref-Garcci_17-0" class="reference"><a href="#cite_note-Garcci-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> In 1992, an electronic and print form of the index was derived from a core of 330 chemistry journals, within which all areas were covered. Additional information was provided from articles selected from 4,000 other journals. All chemistry subdisciplines were covered: organic, inorganic, analytical, physical chemistry, polymer, computational, organometallic, materials chemistry, and electrochemistry.<sup id="cite_ref-Garcci_17-1" class="reference"><a href="#cite_note-Garcci-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> By 2002, the core journal coverage increased to 500 and related article coverage increased to 8,000 other journals.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> One 1980 study reported the overall citation indexing benefits for chemistry, examining the use of citations as a tool for the study of the sociology of chemistry and illustrating the use of citation data to "observe" chemistry subfields over time.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Science_Citation_Index_Expanded&action=edit&section=3" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Arts_and_Humanities_Citation_Index" title="Arts and Humanities Citation Index">Arts and Humanities Citation Index</a>, which covers 1,130 journals, beginning with 1975.</li> <li><a href="/wiki/Emerging_Sources_Citation_Index" title="Emerging Sources Citation Index">Emerging Sources Citation Index</a></li> <li><a href="/wiki/Google_Scholar" title="Google Scholar">Google Scholar</a></li> <li><a href="/wiki/Impact_factor" title="Impact factor">Impact factor</a></li> <li><a href="/wiki/List_of_academic_databases_and_search_engines" title="List of academic databases and search engines">List of academic databases and search engines</a></li> <li><a href="/wiki/Journal_Citation_Reports" title="Journal Citation Reports">Journal Citation Reports</a></li> <li><a href="/wiki/Social_Sciences_Citation_Index" title="Social Sciences Citation Index">Social Sciences Citation Index</a>, which covers 1,700 journals, beginning with 1956.</li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Science_Citation_Index_Expanded&action=edit&section=4" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.aischolar.org/news/academic_news/449">"Difference Between SCI Journals And SCIE Indexed Journals"</a>. 8 September 2023<span class="reference-accessdate">. Retrieved <span class="nowrap">4 April</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Difference+Between+SCI+Journals+And+SCIE+Indexed+Journals&rft.date=2023-09-08&rft_id=https%3A%2F%2Fwww.aischolar.org%2Fnews%2Facademic_news%2F449&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://kdischool.libguides.com/research_trends">"SCI VS SCIE"</a>. 18 Aug 2020<span class="reference-accessdate">. Retrieved <span class="nowrap">4 April</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=SCI+VS+SCIE&rft.date=2020-08-18&rft_id=https%3A%2F%2Fkdischool.libguides.com%2Fresearch_trends&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-dimension-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-dimension_3-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGarfield1955" class="citation journal cs1">Garfield, E. (1955). "Citation Indexes for Science: A New Dimension in Documentation through Association of Ideas". <i><a href="/wiki/Science_(journal)" title="Science (journal)">Science</a></i>. <b>122</b> (3159): 108–11. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1955Sci...122..108G">1955Sci...122..108G</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1126%2Fscience.122.3159.108">10.1126/science.122.3159.108</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/14385826">14385826</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Science&rft.atitle=Citation+Indexes+for+Science%3A+A+New+Dimension+in+Documentation+through+Association+of+Ideas&rft.volume=122&rft.issue=3159&rft.pages=108-11&rft.date=1955&rft_id=info%3Apmid%2F14385826&rft_id=info%3Adoi%2F10.1126%2Fscience.122.3159.108&rft_id=info%3Abibcode%2F1955Sci...122..108G&rft.aulast=Garfield&rft.aufirst=E.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-evolve-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-evolve_4-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGarfield2011" class="citation journal cs1">Garfield, Eugene (2011). <a rel="nofollow" class="external text" href="http://garfield.library.upenn.edu/papers/barcelona2007a.pdf">"The evolution of the Science Citation Index"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/International_Microbiology" title="International Microbiology">International Microbiology</a></i>. <b>10</b> (1): 65–9. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.2436%2F20.1501.01.10">10.2436/20.1501.01.10</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/17407063">17407063</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=International+Microbiology&rft.atitle=The+evolution+of+the+Science+Citation+Index&rft.volume=10&rft.issue=1&rft.pages=65-9&rft.date=2011&rft_id=info%3Adoi%2F10.2436%2F20.1501.01.10&rft_id=info%3Apmid%2F17407063&rft.aulast=Garfield&rft.aufirst=Eugene&rft_id=http%3A%2F%2Fgarfield.library.upenn.edu%2Fpapers%2Fbarcelona2007a.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-gOverview-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-gOverview_5-0">^</a></b></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGarfield1963" class="citation web cs1">Garfield, Eugene (1963). <a rel="nofollow" class="external text" href="http://garfield.library.upenn.edu/papers/80.pdf">"Science Citation Index"</a> <span class="cs1-format">(PDF)</span>. <i>University of Pennsylvania Garfield Library</i>. pp. v–xvi<span class="reference-accessdate">. Retrieved <span class="nowrap">2013-05-27</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=University+of+Pennsylvania+Garfield+Library&rft.atitle=Science+Citation+Index&rft.pages=v-xvi&rft.date=1963&rft.aulast=Garfield&rft.aufirst=Eugene&rft_id=http%3A%2F%2Fgarfield.library.upenn.edu%2Fpapers%2F80.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-history-cite-indexing-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-history-cite-indexing_6-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://clarivate.com/essays/history-citation-indexing/">"History of Citation Indexing"</a>. <a href="/wiki/Clarivate_Analytics" class="mw-redirect" title="Clarivate Analytics">Clarivate Analytics</a>. November 2010<span class="reference-accessdate">. Retrieved <span class="nowrap">2010-11-04</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=History+of+Citation+Indexing&rft.pub=Clarivate+Analytics&rft.date=2010-11&rft_id=https%3A%2F%2Fclarivate.com%2Fessays%2Fhistory-citation-indexing%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://clarivate.com/webofsciencegroup/solutions/webofscience-scie/">"SCIE"</a>. <i>Web of Science Group</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2022-01-26</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Web+of+Science+Group&rft.atitle=SCIE&rft_id=https%3A%2F%2Fclarivate.com%2Fwebofsciencegroup%2Fsolutions%2Fwebofscience-scie%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-Expanded-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-Expanded_8-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.thomsonreuters.com/en/products-services/scholarly-scientific-research/scholarly-search-and-discovery/science-citation-index-expanded.html">"Science Citation Index Expanded"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2017-01-17</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Science+Citation+Index+Expanded&rft_id=https%3A%2F%2Fwww.thomsonreuters.com%2Fen%2Fproducts-services%2Fscholarly-scientific-research%2Fscholarly-search-and-discovery%2Fscience-citation-index-expanded.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-wetland-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-wetland_9-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMaFuHo2012" class="citation journal cs1">Ma, Jiupeng; Fu, Hui-Zhen; Ho, Yuh-Shan (December 2012). "The Top-cited Wetland Articles in Science Citation Index Expanded: characteristics and hotspots". <i><a href="/wiki/Environmental_Earth_Sciences" title="Environmental Earth Sciences">Environmental Earth Sciences</a></i>. <b>70</b> (3): 1039. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2009EnGeo..56.1247D">2009EnGeo..56.1247D</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1007%2Fs12665-012-2193-y">10.1007/s12665-012-2193-y</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:18502338">18502338</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Environmental+Earth+Sciences&rft.atitle=The+Top-cited+Wetland+Articles+in+Science+Citation+Index+Expanded%3A+characteristics+and+hotspots&rft.volume=70&rft.issue=3&rft.pages=1039&rft.date=2012-12&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A18502338%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1007%2Fs12665-012-2193-y&rft_id=info%3Abibcode%2F2009EnGeo..56.1247D&rft.aulast=Ma&rft.aufirst=Jiupeng&rft.au=Fu%2C+Hui-Zhen&rft.au=Ho%2C+Yuh-Shan&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-shan-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-shan_10-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHo2012" class="citation journal cs1">Ho, Yuh-Shan (2012). <a rel="nofollow" class="external text" href="http://trend.asia.edu.tw/Publications/PDF/Scientometrics94,%201297.pdf">"The top-cited research works in the Science Citation Index Expanded"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/Scientometrics_(journal)" title="Scientometrics (journal)">Scientometrics</a></i>. <b>94</b> (3): 1297. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1007%2Fs11192-012-0837-z">10.1007/s11192-012-0837-z</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:1301373">1301373</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Scientometrics&rft.atitle=The+top-cited+research+works+in+the+Science+Citation+Index+Expanded&rft.volume=94&rft.issue=3&rft.pages=1297&rft.date=2012&rft_id=info%3Adoi%2F10.1007%2Fs11192-012-0837-z&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A1301373%23id-name%3DS2CID&rft.aulast=Ho&rft.aufirst=Yuh-Shan&rft_id=http%3A%2F%2Ftrend.asia.edu.tw%2FPublications%2FPDF%2FScientometrics94%2C%25201297.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-AtoZ-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-AtoZ_11-0">^</a></b></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://wokinfo.com/products_tools/products/">"Available databases A to Z"</a>. <a href="/wiki/Thomson_Reuters" title="Thomson Reuters">Thomson Reuters</a>. 2010<span class="reference-accessdate">. Retrieved <span class="nowrap">2010-06-24</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Available+databases+A+to+Z&rft.pub=Thomson+Reuters&rft.date=2010&rft_id=http%3A%2F%2Fwokinfo.com%2Fproducts_tools%2Fproducts%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://wokinfo.com/media/pdf/SSR1103443WoK5-2_web3.pdf">Thomson Reuters Web of Knowledge. Thomson Reuters, 2013.</a></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://clarivate.com/webofsciencegroup/solutions/web-of-science/">"Trusted publisher-independent citation database"</a>. <i>Web of Science Group</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2022-01-26</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Web+of+Science+Group&rft.atitle=Trusted+publisher-independent+citation+database&rft_id=https%3A%2F%2Fclarivate.com%2Fwebofsciencegroup%2Fsolutions%2Fweb-of-science%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-SpCI-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-SpCI_14-0">^</a></b></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20100104183420/http://thomsonreuters.com/products_services/science/science_products/a-z/specialty_citation_indexes/">"Specialty Citation Indexes"</a>. Archived from <a rel="nofollow" class="external text" href="http://thomsonreuters.com/products_services/science/science_products/a-z/specialty_citation_indexes/">the original</a> on 2010-01-04<span class="reference-accessdate">. Retrieved <span class="nowrap">2009-08-30</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Specialty+Citation+Indexes&rft_id=http%3A%2F%2Fthomsonreuters.com%2Fproducts_services%2Fscience%2Fscience_products%2Fa-z%2Fspecialty_citation_indexes%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-NCI-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-NCI_15-0">^</a></b></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MD">"Journal Search – Science"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2009-08-30</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Journal+Search+%E2%80%93+Science&rft_id=http%3A%2F%2Fscience.thomsonreuters.com%2Fcgi-bin%2Fjrnlst%2Fjlresults.cgi%3FPC%3DMD&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://science.thomsonreuters.com/cgi-bin/jrnlst/jloptions.cgi?PC=CD">"Journal Search – Science – Thomson Reuters"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">14 January</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Journal+Search+%E2%80%93+Science+%E2%80%93+Thomson+Reuters&rft_id=http%3A%2F%2Fscience.thomsonreuters.com%2Fcgi-bin%2Fjrnlst%2Fjloptions.cgi%3FPC%3DCD&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-Garcci-17"><span class="mw-cite-backlink">^ <a href="#cite_ref-Garcci_17-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Garcci_17-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGarfield1992" class="citation journal cs1">Garfield, Eugene (1992). <a rel="nofollow" class="external text" href="http://garfield.library.upenn.edu/essays/v15p007y1992-93.pdf">"New Chemistry Citation Index On CD-ROM Comes With Abstracts, Related Records, and Key-Words-Plus"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/Current_Contents" title="Current Contents">Current Contents</a></i>. <b>3</b>: 5–9.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Current+Contents&rft.atitle=New+Chemistry+Citation+Index+On+CD-ROM+Comes+With+Abstracts%2C+Related+Records%2C+and+Key-Words-Plus&rft.volume=3&rft.pages=5-9&rft.date=1992&rft.aulast=Garfield&rft.aufirst=Eugene&rft_id=http%3A%2F%2Fgarfield.library.upenn.edu%2Fessays%2Fv15p007y1992-93.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-18">^</a></b></span> <span class="reference-text"> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20131213033827/http://www.chinweb.com/cgi-bin/chemport/getfiler.cgi?ID=k4l7vyYF5FimYvScsOm3pxWVmEhBoH0ZuYgxjLdKBfqdmURDHLrjuVv78i16JLPX&VER=E">Chemistry Citation Index</a>. Institute of Process Engineering of the Chinese Academy of Sciences. 2003.</span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDewittNicholsonWilson1980" class="citation journal cs1">Dewitt, T. W.; Nicholson, R. S.; Wilson, M. K. (1980). "Science citation index and chemistry". <i><a href="/wiki/Scientometrics_(journal)" title="Scientometrics (journal)">Scientometrics</a></i>. <b>2</b> (4): 265. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1007%2FBF02016348">10.1007/BF02016348</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:8382186">8382186</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Scientometrics&rft.atitle=Science+citation+index+and+chemistry&rft.volume=2&rft.issue=4&rft.pages=265&rft.date=1980&rft_id=info%3Adoi%2F10.1007%2FBF02016348&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A8382186%23id-name%3DS2CID&rft.aulast=Dewitt&rft.aufirst=T.+W.&rft.au=Nicholson%2C+R.+S.&rft.au=Wilson%2C+M.+K.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Science_Citation_Index_Expanded&action=edit&section=5" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBorgmanFurner2005" class="citation journal cs1">Borgman, Christine L.; Furner, Jonathan (2005). <a rel="nofollow" class="external text" href="http://polaris.gseis.ucla.edu/cborgman/pubs/borgmanfurnerarist2002.pdf">"Scholarly Communication and Bibliometrics"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/Annual_Review_of_Information_Science_and_Technology" title="Annual Review of Information Science and Technology">Annual Review of Information Science and Technology</a></i>. <b>36</b> (1): 3–72. <a href="/wiki/CiteSeerX_(identifier)" class="mw-redirect" title="CiteSeerX (identifier)">CiteSeerX</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.210.6040">10.1.1.210.6040</a></span>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2Faris.1440360102">10.1002/aris.1440360102</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Annual+Review+of+Information+Science+and+Technology&rft.atitle=Scholarly+Communication+and+Bibliometrics&rft.volume=36&rft.issue=1&rft.pages=3-72&rft.date=2005&rft_id=https%3A%2F%2Fciteseerx.ist.psu.edu%2Fviewdoc%2Fsummary%3Fdoi%3D10.1.1.210.6040%23id-name%3DCiteSeerX&rft_id=info%3Adoi%2F10.1002%2Faris.1440360102&rft.aulast=Borgman&rft.aufirst=Christine+L.&rft.au=Furner%2C+Jonathan&rft_id=http%3A%2F%2Fpolaris.gseis.ucla.edu%2Fcborgman%2Fpubs%2Fborgmanfurnerarist2002.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMehoYang2007" class="citation journal cs1">Meho, Lokman I.; Yang, Kiduk (2007). <a rel="nofollow" class="external text" href="http://staff.aub.edu.lb/~lmeho/meho-yang-impact-of-data-sources.pdf">"Impact of data sources on citation counts and rankings of LIS faculty: Web of science versus scopus and google scholar"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/Journal_of_the_American_Society_for_Information_Science_and_Technology" class="mw-redirect" title="Journal of the American Society for Information Science and Technology">Journal of the American Society for Information Science and Technology</a></i>. <b>58</b> (13): 2105. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2Fasi.20677">10.1002/asi.20677</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+the+American+Society+for+Information+Science+and+Technology&rft.atitle=Impact+of+data+sources+on+citation+counts+and+rankings+of+LIS+faculty%3A+Web+of+science+versus+scopus+and+google+scholar&rft.volume=58&rft.issue=13&rft.pages=2105&rft.date=2007&rft_id=info%3Adoi%2F10.1002%2Fasi.20677&rft.aulast=Meho&rft.aufirst=Lokman+I.&rft.au=Yang%2C+Kiduk&rft_id=http%3A%2F%2Fstaff.aub.edu.lb%2F~lmeho%2Fmeho-yang-impact-of-data-sources.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGarfieldSher1963" class="citation journal cs1">Garfield, E.; Sher, I. H. (1963). <a rel="nofollow" class="external text" href="http://www.garfield.library.upenn.edu/essays/v6p492y1983.pdf">"New factors in the evaluation of scientific literature through citation indexing"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/American_Documentation" class="mw-redirect" title="American Documentation">American Documentation</a></i>. <b>14</b> (3): 195. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2Fasi.5090140304">10.1002/asi.5090140304</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=American+Documentation&rft.atitle=New+factors+in+the+evaluation+of+scientific+literature+through+citation+indexing&rft.volume=14&rft.issue=3&rft.pages=195&rft.date=1963&rft_id=info%3Adoi%2F10.1002%2Fasi.5090140304&rft.aulast=Garfield&rft.aufirst=E.&rft.au=Sher%2C+I.+H.&rft_id=http%3A%2F%2Fwww.garfield.library.upenn.edu%2Fessays%2Fv6p492y1983.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGarfield1970" class="citation journal cs1">Garfield, E. (1970). <a rel="nofollow" class="external text" href="http://www.garfield.library.upenn.edu/essays/V1p133y1962-73.pdf">"Citation Indexing for Studying Science"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/Nature_(journal)" title="Nature (journal)">Nature</a></i>. <b>227</b> (5259): 669–71. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1970Natur.227..669G">1970Natur.227..669G</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1038%2F227669a0">10.1038/227669a0</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/4914589">4914589</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:4200369">4200369</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature&rft.atitle=Citation+Indexing+for+Studying+Science&rft.volume=227&rft.issue=5259&rft.pages=669-71&rft.date=1970&rft_id=info%3Adoi%2F10.1038%2F227669a0&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A4200369%23id-name%3DS2CID&rft_id=info%3Apmid%2F4914589&rft_id=info%3Abibcode%2F1970Natur.227..669G&rft.aulast=Garfield&rft.aufirst=E.&rft_id=http%3A%2F%2Fwww.garfield.library.upenn.edu%2Fessays%2FV1p133y1962-73.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGarfield1979" class="citation book cs1">Garfield, E. (1979). <i>Citation Indexing: Its Theory and Application in Science, Technology, and Humanities</i>. Information Sciences Series. New York: <a href="/wiki/Wiley-Interscience" class="mw-redirect" title="Wiley-Interscience">Wiley-Interscience</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-89495-024-7" title="Special:BookSources/978-0-89495-024-7"><bdi>978-0-89495-024-7</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Citation+Indexing%3A+Its+Theory+and+Application+in+Science%2C+Technology%2C+and+Humanities&rft.place=New+York&rft.series=Information+Sciences+Series&rft.pub=Wiley-Interscience&rft.date=1979&rft.isbn=978-0-89495-024-7&rft.aulast=Garfield&rft.aufirst=E.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AScience+Citation+Index+Expanded" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Science_Citation_Index_Expanded&action=edit&section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-External_links plainlinks metadata ambox ambox-style ambox-external_links" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/f/f2/Edit-clear.svg/40px-Edit-clear.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/f2/Edit-clear.svg/60px-Edit-clear.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/f2/Edit-clear.svg/80px-Edit-clear.svg.png 2x" data-file-width="48" data-file-height="48" /></span></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article's <b>use of <a href="/wiki/Wikipedia:External_links" title="Wikipedia:External links">external links</a> may not follow Wikipedia's policies or guidelines</b>.<span class="hide-when-compact"> Please <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Science_Citation_Index_Expanded&action=edit">improve this article</a> by removing <a href="/wiki/Wikipedia:What_Wikipedia_is_not#Wikipedia_is_not_a_mirror_or_a_repository_of_links,_images,_or_media_files" title="Wikipedia:What Wikipedia is not">excessive</a> or <a href="/wiki/Wikipedia:External_links" title="Wikipedia:External links">inappropriate</a> external links, and converting useful links where appropriate into <a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources">footnote references</a>.</span> <span class="date-container"><i>(<span class="date">June 2022</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <ul><li><a rel="nofollow" class="external text" href="https://clarivate.com/products/scientific-and-academic-research/research-discovery-and-workflow-solutions/web-of-science/web-of-science-core-collection/science-citation-index-expanded/">Introduction to SCIE</a></li> <li><a rel="nofollow" class="external text" href="http://science.thomsonreuters.com/mjl/">Master journal list</a></li> <li><a class="external text" href="https://en.wikibooks.org/wiki/Chemical_Information_Sources/Author_and_Citation_Searches">Chemical Information Sources/ Author and Citation Searches</a>. on WikiBooks.</li> <li><a rel="nofollow" class="external text" href="http://scientific.thomson.com/tutorials/citedreference/crs1.htm">Cited Reference Searching: An Introduction</a>. Thomson Reuters.</li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20131213033827/http://www.chinweb.com/cgi-bin/chemport/getfiler.cgi?ID=k4l7vyYF5FimYvScsOm3pxWVmEhBoH0ZuYgxjLdKBfqdmURDHLrjuVv78i16JLPX&VER=E">Chemistry Citation Index</a>. Chinweb.</li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Science_Citation_Index_Expanded&oldid=1250619372">https://en.wikipedia.org/w/index.php?title=Science_Citation_Index_Expanded&oldid=1250619372</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Citation_indices" title="Category:Citation indices">Citation indices</a></li><li><a href="/wiki/Category:Online_databases" title="Category:Online databases">Online databases</a></li><li><a href="/wiki/Category:Clarivate" title="Category:Clarivate">Clarivate</a></li><li><a href="/wiki/Category:1964_establishments" title="Category:1964 establishments">1964 establishments</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_is_different_from_Wikidata" title="Category:Short description is different from Wikidata">Short description is different from Wikidata</a></li><li><a href="/wiki/Category:Wikipedia_external_links_cleanup_from_June_2022" title="Category:Wikipedia external links cleanup from June 2022">Wikipedia external links cleanup from June 2022</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 11 October 2024, at 14:04<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. By using this site, you agree to the <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use" class="extiw" title="foundation:Special:MyLanguage/Policy:Terms of Use">Terms of Use</a> and <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy" class="extiw" title="foundation:Special:MyLanguage/Policy:Privacy policy">Privacy Policy</a>. Wikipedia® is a registered trademark of the <a rel="nofollow" class="external text" href="https://wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, a non-profit organization.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Privacy policy</a></li> <li id="footer-places-about"><a href="/wiki/Wikipedia:About">About Wikipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikipedia:General_disclaimer">Disclaimers</a></li> <li id="footer-places-contact"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us">Contact Wikipedia</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code of Conduct</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Developers</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/en.wikipedia.org">Statistics</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Cookie statement</a></li> <li id="footer-places-mobileview"><a href="//en.m.wikipedia.org/w/index.php?title=Science_Citation_Index_Expanded&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Mobile view</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-5c9b544f44-2t2ql","wgBackendResponseTime":185,"wgPageParseReport":{"limitreport":{"cputime":"0.420","walltime":"0.503","ppvisitednodes":{"value":1658,"limit":1000000},"postexpandincludesize":{"value":51550,"limit":2097152},"templateargumentsize":{"value":1256,"limit":2097152},"expansiondepth":{"value":14,"limit":100},"expensivefunctioncount":{"value":2,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":74709,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 451.356 1 -total"," 39.32% 177.495 1 Template:Reflist"," 25.32% 114.270 11 Template:Cite_web"," 19.98% 90.170 1 Template:Infobox_bibliographic_database"," 19.44% 87.723 1 Template:Infobox"," 19.14% 86.384 1 Template:Short_description"," 12.97% 58.531 10 Template:Cite_journal"," 11.87% 53.597 2 Template:Pagetype"," 11.37% 51.315 1 Template:External_links"," 10.33% 46.616 1 Template:Ambox"]},"scribunto":{"limitreport-timeusage":{"value":"0.262","limit":"10.000"},"limitreport-memusage":{"value":6294334,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.main-f69cdc8f6-ffqzr","timestamp":"20241122145850","ttl":723676,"transientcontent":true}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Science Citation Index Expanded","url":"https:\/\/en.wikipedia.org\/wiki\/Science_Citation_Index_Expanded","sameAs":"http:\/\/www.wikidata.org\/entity\/Q104047209","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q104047209","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2006-09-05T11:58:11Z","dateModified":"2024-10-11T14:04:48Z","headline":"bibliographic database (1996-)"}</script> </body> </html>