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class="vector-toc-numb">2</span> <span>History</span> </div> </a> <ul id="toc-History-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Programmable_access_to_CORE_data" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Programmable_access_to_CORE_data"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Programmable access to CORE data</span> </div> </a> <ul id="toc-Programmable_access_to_CORE_data-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Searching_CORE" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Searching_CORE"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Searching CORE</span> </div> </a> <ul id="toc-Searching_CORE-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Analytical_use_of_CORE_data" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Analytical_use_of_CORE_data"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Analytical use of CORE data</span> </div> </a> <ul id="toc-Analytical_use_of_CORE_data-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Applications" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Applications"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Applications</span> </div> </a> <ul id="toc-Applications-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">7</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">8</span> <span>References</span> </div> </a> <ul id="toc-References-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">9</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" 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id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><p class="mw-empty-elt"> </p> <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 vcard"><tbody><tr><th colspan="2" class="infobox-above summary">CORE (Connecting Repositories)</th></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Core.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Core.png/220px-Core.png" decoding="async" width="220" height="131" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/2/2b/Core.png 1.5x" data-file-width="231" data-file-height="138" /></a></span></td></tr><tr><th scope="row" class="infobox-label">Commercial?</th><td class="infobox-data">No</td></tr><tr><th scope="row" class="infobox-label">Type of project</th><td class="infobox-data">Open Access, Repositories, Harvesting</td></tr><tr><th scope="row" class="infobox-label">Location</th><td class="infobox-data"><a href="/wiki/Open_University" title="Open University">Open University</a></td></tr><tr><th scope="row" class="infobox-label">Country</th><td class="infobox-data">United Kingdom</td></tr><tr><th scope="row" class="infobox-label">Key people</th><td class="infobox-data">Petr Knoth</td></tr><tr><th scope="row" class="infobox-label">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://core.ac.uk/">core<wbr />.ac<wbr />.uk</a></span> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q22661180#P856" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></td></tr></tbody></table> <p><b>CORE</b> (<b>Connecting Repositories</b>) is a service provided by the <a href="/w/index.php?title=Knowledge_Media_Institute&action=edit&redlink=1" class="new" title="Knowledge Media Institute (page does not exist)">Knowledge Media Institute</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://www.wikidata.org/wiki/Special:EntityPage/Q86003202#sitelinks-wikipedia" class="extiw" title="d:Special:EntityPage/Q86003202"><span title=""Knowledge Media Institute" in other languages">Wikidata</span></a>]</span> based at <a href="/wiki/The_Open_University" class="mw-redirect" title="The Open University">The Open University</a>, <a href="/wiki/United_Kingdom" title="United Kingdom">United Kingdom</a>. The goal of the project is to aggregate all <a href="/wiki/Open_access" title="Open access">open access</a> content distributed across different systems, such as <a href="/wiki/Institutional_repository" title="Institutional repository">repositories</a> and <a href="/wiki/Open_access" title="Open access">open access</a> journals, enrich this content using <a href="/wiki/Text_mining" title="Text mining">text mining</a> and <a href="/wiki/Data_mining" title="Data mining">data mining</a>, and provide free access to it through a set of services.<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> The CORE project also aims to promote open access to scholarly outputs. CORE works closely with <a href="/wiki/Digital_Library" class="mw-redirect" title="Digital Library">digital libraries</a> and <a href="/wiki/Institutional_repository" title="Institutional repository">institutional repositories</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> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Service_description">Service description</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=CORE_(research_service)&action=edit&section=1" title="Edit section: Service description"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>There are existing commercial academic search systems, such as <a href="/wiki/Google_Scholar" title="Google Scholar">Google Scholar</a>, which provide search and access level services, but do not support programmable machine access to the content. This is seen with the use of an <a href="/wiki/Application_programming_interface" class="mw-redirect" title="Application programming interface">API</a> or data dumps, and limits the further reuse of the open access content (e.g., <a href="/wiki/Text_mining" title="Text mining">text and data mining</a>). There are three access levels to content:<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <ul><li>access at the granularity of papers</li> <li>analytical access and granularity of collections</li> <li>programmable machine access to data</li></ul> <p>The programmable machine access is the main feature that distinguishes CORE from Google Scholar and <a href="/wiki/Microsoft_Academic_Search" title="Microsoft Academic Search">Microsoft Academic Search</a>. </p> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=CORE_(research_service)&action=edit&section=2" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The first version of CORE was created in 2011 by <a href="/wiki/Petr_Knoth" title="Petr Knoth">Petr Knoth</a> with the aim to make it easier to access and <a href="/wiki/Text_mining" title="Text mining">text mine</a> very large amounts of research publications.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> The value of the aggregation was first demonstrated by developing a <a href="/wiki/Recommender_system" title="Recommender system">content recommendation system</a> for research papers, following the ideas of literature-based discovery introduced by <a href="/wiki/Don_R._Swanson" title="Don R. Swanson">Don R. Swanson</a>. Since its start, CORE has received financial support from a range of funders including <a href="/wiki/Jisc" title="Jisc">Jisc</a> and the <a href="/wiki/European_Commission" title="European Commission">European Commission</a>. CORE aggregates from across the world; in 2017, it was calculated that it reached documents from 102 countries in 52 languages.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> It has the status of the UK's national aggregator of <a href="/wiki/Open_access" title="Open access">open access</a> content, aggregating <a href="/wiki/Metadata" title="Metadata">metadata</a> and full-text outputs from both UK publishers' databases as well as institutional and subject repositories.<sup id="cite_ref-6" class="reference"><a href="#cite_note-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>CORE operates as a one step search tool for UK's <a href="/wiki/Open_access" title="Open access">open access</a> research outputs, facilitating <a href="/wiki/Discoverability" title="Discoverability">discoverability</a>, use and reuse. The importance of the service has been widely recognised by <a href="/wiki/Jisc" title="Jisc">Jisc</a>, which suggested that CORE should preserve the required resources to sustain its operation and explore an international sustainability model.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> CORE is now one of the Repository Shared Services projects, along with <a href="/wiki/SHERPA_(organisation)" title="SHERPA (organisation)">Sherpa Services</a>,<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> IRUS,<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> Jisc Publications Router<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> and <a href="/wiki/OpenDOAR" title="OpenDOAR">OpenDOAR</a>. </p><p>In 2018, CORE said it was the world's largest aggregator of open access research papers.<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> Based on the open access fundamental principles, as they were described in the <a href="/wiki/Budapest_Open_Access_Initiative" title="Budapest Open Access Initiative">Budapest Open Access Initiative</a>, its open access content not only must be openly available to download and read, but it must also allow its reuse, both by humans and machines. As a result, there was a need to exploit the content reuse, which could be made possible with the implementation of a technical infrastructure. The CORE project started with the goal of connecting <a href="/wiki/Metadata" title="Metadata">metadata</a> and full-text outputs offering, through content aggregation, value-added services, and by opening new opportunities in the research process. </p><p>CORE later changed the license of its datasets to "all rights reserved" and was overtaken by <a href="/wiki/Internet_Archive_Scholar" title="Internet Archive Scholar">Internet Archive Scholar</a>, which in 2022 had over 25 million full-text articles vs. less than 10 million on CORE.<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> </p> <div class="mw-heading mw-heading2"><h2 id="Programmable_access_to_CORE_data">Programmable access to CORE data</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=CORE_(research_service)&action=edit&section=3" title="Edit section: Programmable access to CORE data"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>CORE data can be accessed through an <a href="/wiki/API" title="API">API</a> or downloaded as a pre-processed and semantically enriched data dump.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Searching_CORE">Searching CORE</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=CORE_(research_service)&action=edit&section=4" title="Edit section: Searching CORE"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>CORE provides searchable access to a collection of over 125 million open access harvested research outputs. All outputs can be accessed and downloaded free of cost and have limited re-use restrictions. One can search the CORE content using a <a href="/wiki/Faceted_search" title="Faceted search">faceted search</a>. CORE also provides a cross-repository content recommendation system based on full-texts. The collection of the harvested outputs is available either by looking at the latest additions<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> or by browsing<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> the collection at the date of harvesting. The CORE search engine was selected by an author on Jisc in 2013 as one of the top 10 search engines<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> for open access research, facilitating access to academic papers.<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><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="Analytical_use_of_CORE_data">Analytical use of CORE data</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=CORE_(research_service)&action=edit&section=5" title="Edit section: Analytical use of CORE data"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The availability of data aggregated and enriched by CORE provides opportunities for the development of new analytical services for research literature. These can be used, for example, to monitor growth and trends in research, validate compliance with <a href="/wiki/Open_access_mandate" class="mw-redirect" title="Open access mandate">open access mandates</a> and to develop new automatic metrics for evaluating research excellence. </p><p>According to the <a href="/wiki/Registry_of_Open_Access_Repositories" title="Registry of Open Access Repositories">Registry of Open Access Repositories</a>, the number of funders increased from 22 units in 2007 to 34 in 2010 and then to 67 in 2015, while the number of institutional full-text and open access mandates picked up from 137 units in 2007 to 430 in 2015.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Applications">Applications</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=CORE_(research_service)&action=edit&section=6" title="Edit section: Applications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>CORE offers eight applications: </p> <ul><li>CORE API, provides an access point to develop applications making use of CORE's collection of Open Access content.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup></li> <li>CORE Dataset, provides access to the data aggregated from repositories by CORE and allows their further manipulation.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup></li> <li>CORE Recommender, can link an institutional repository with the CORE service and recommends semantically related resources.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup></li> <li>CORE Repository Dashboard, is a tool for repository managers or research output administrators. The aim of the Repository Dashboard is to provide control over the aggregated content and help in the management and validation of the repository collections and services.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> It is integrated in the Institutional Repository Usage Statistics (IRUS-UK), a Jisc-funded project that serves as a national repository usage statistics aggregation servire.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup></li> <li>CORE Analytics Dashboard, helps institutions to understand and monitor the impact of their research.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup></li> <li>CORE Search, enables users to search and access research papers.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup></li> <li>CORE Publisher Connector, provides access to Gold and <a href="/wiki/Hybrid_open_access_journal" class="mw-redirect" title="Hybrid open access journal">Hybrid Gold Open Access articles</a> aggregated from non-standard systems of major publishers. Data is exposed via the ResourceSync protocol.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup></li> <li>CORE SDKs, provide access to content for programs. The CORE SDK R is freely available and it is mainly community led. The aim is to maximise the productivity and data analysis, prototyping and migration.</li></ul> <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=CORE_(research_service)&action=edit&section=7" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><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/BASE_(search_engine)" title="BASE (search engine)">BASE (search engine)</a></li> <li><a href="/wiki/Directory_of_Open_Access_Journals" title="Directory of Open Access Journals">Directory of Open Access Journals</a></li> <li><a href="/wiki/Open_Access_Button" title="Open Access Button">Open Access Button</a></li> <li><a href="/wiki/Paperity" title="Paperity">Paperity</a></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=CORE_(research_service)&action=edit&section=8" 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 reflist-columns references-column-width" style="column-width: 30em;"> <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="http://www3.open.ac.uk/media/fullstory.aspx?id=24452">"OU's full text search system makes huge leaps in widening access to academic papers"</a>. 24 October 2012<span class="reference-accessdate">. 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Retrieved <span class="nowrap">6 March</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=CORE+Publisher+Connector&rft_id=https%3A%2F%2Fcore.ac.uk%2Fservices%23connector&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACORE+%28research+service%29" class="Z3988"></span></span> </li> </ol></div> <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=CORE_(research_service)&action=edit&section=9" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output 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plainlist"><a href="/wiki/Wikidata" title="Wikidata">Wikidata</a> has the property: <ul><li><span class="mw-valign-middle" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/4px-Disc_Plain_blue_dark.svg.png" decoding="async" width="4" height="4" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/6px-Disc_Plain_blue_dark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Disc_Plain_blue_dark.svg/8px-Disc_Plain_blue_dark.svg.png 2x" data-file-width="460" data-file-height="460" /></span></span> <b><i><a href="https://www.wikidata.org/wiki/Property_talk:P6409" class="extiw" title="d:Property talk:P6409">CORE ID (P6409)</a></i></b> (see <span class="plainlinks"><a class="external text" 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