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<span>History</span> </div> </a> <button aria-controls="toc-History-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle History subsection</span> </button> <ul id="toc-History-sublist" class="vector-toc-list"> <li id="toc-OPACs" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#OPACs"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>OPACs</span> </div> </a> <ul id="toc-OPACs-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Changing_expectations" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Changing_expectations"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Changing expectations</span> </div> </a> <ul id="toc-Changing_expectations-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Emergence_of_the_discovery_layer" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Emergence_of_the_discovery_layer"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Emergence of the discovery layer</span> </div> </a> <ul id="toc-Emergence_of_the_discovery_layer-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Typical_features_of_a_discovery_system" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Typical_features_of_a_discovery_system"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Typical features of a discovery system</span> </div> </a> <ul id="toc-Typical_features_of_a_discovery_system-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Examples_of_discovery_system_products" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Examples_of_discovery_system_products"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Examples of discovery system products</span> </div> </a> <ul id="toc-Examples_of_discovery_system_products-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Comparison" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Comparison"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Comparison</span> </div> </a> <ul id="toc-Comparison-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">6</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">7</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">8</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">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 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</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"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><p>A <b>discovery system</b> is a <a href="/wiki/Bibliographic_database" title="Bibliographic database">bibliographic search system</a> based on <a href="/wiki/Search_engine_(computing)" title="Search engine (computing)">search engine</a> technology. It is part of the concept of <a href="/wiki/Library_2.0" title="Library 2.0">Library 2.0</a> and is intended to supplement or even replace the existing <a href="/wiki/Online_public_access_catalog" title="Online public access catalog">OPAC</a> <a href="/wiki/Library_catalog" title="Library catalog">catalogs</a>. These systems emerged in the late 2000s in response to user desire for a more convenient search option similar to that of internet search engine.<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 results from searching a discovery system may include books and other print materials from the library's catalog, electronic resources such as e-journals or videos, and items stored in other libraries. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Terminology">Terminology</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Discovery_system_(bibliographic_search)&action=edit&section=1" title="Edit section: Terminology"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The term <b>discovery layer</b> has been described as an overarching term<sup id="cite_ref-CRL2017_2-0" class="reference"><a href="#cite_note-CRL2017-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> that can include: </p> <ul><li><em>Discovery interface</em>, a <a href="/wiki/Graphical_user_interface" title="Graphical user interface">graphical user interface</a> that library users search or <a href="/wiki/Browsing" title="Browsing">browse</a> with. It includes search-engine like amenities such as spelling correction, tolerance for punctuation differences, and <a href="/wiki/Incremental_search" title="Incremental search">typeahead search</a>. This idea is also called a <a href="/wiki/Online_public_access_catalog#Next-generation_catalogs" title="Online public access catalog">next-generation catalog</a>.</li> <li><em>Discovery system</em>, an interconnected search system, allowing library users to search not only the catalog of library print materials, but various digital resources and perhaps resources located in other libraries. The discovery system queries more than one data source upon a single user request; this is sometimes called <a href="/wiki/Federated_search" title="Federated search">federated search</a>.</li></ul> <p>The term <em><a href="/wiki/Multitier_architecture" title="Multitier architecture">layer</a></em> indicates that the software is modular and can be used to emphasize the <a href="/wiki/Separation_of_concerns" title="Separation of concerns">separability</a> of catalog search and browse functionality from an <a href="/wiki/Integrated_library_system" title="Integrated library system">integrated library system</a> (ILS).<sup id="cite_ref-Foss4lib2012_3-0" class="reference"><a href="#cite_note-Foss4lib2012-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The distinction between discovery <em>layer</em>, <em>interface</em>, and <em>system</em> is not rigorous and the terms are sometimes used as synonyms. These "inconsistencies were in part due to the field's newness" when the terms were being created.<sup id="cite_ref-CRL2017_2-1" class="reference"><a href="#cite_note-CRL2017-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </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=Discovery_system_(bibliographic_search)&action=edit&section=2" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="OPACs">OPACs</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Discovery_system_(bibliographic_search)&action=edit&section=3" title="Edit section: OPACs"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Users searching for print materials (such as books) at a library once used <a href="/wiki/Card_catalog" class="mw-redirect" title="Card catalog">card catalogs</a>, and later computerized catalogs called <a href="/wiki/Online_public_access_catalog" title="Online public access catalog">OPACs</a>. Searching for resources other than material in the catalog, such as electronic resources, was (or is) done with separate tools. Using card or computerized catalogs well required skills and <a href="/wiki/Jargon" title="Jargon">jargon</a> particular to libraries.<sup id="cite_ref-TSL2011_4-0" class="reference"><a href="#cite_note-TSL2011-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>As computerization advanced, OPACs were integrated with other library systems, like acquisition and circulation systems. The resulting <a href="/wiki/Monolithic_application" title="Monolithic application">monolithic</a> software systems were named integrated library systems.<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> </p> <div class="mw-heading mw-heading3"><h3 id="Changing_expectations">Changing expectations</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Discovery_system_(bibliographic_search)&action=edit&section=4" title="Edit section: Changing expectations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>As the <a href="/wiki/World_Wide_Web" title="World Wide Web">web</a> became more widespread, library users developed "the expectation of being able to discover the collection in a search engine style".<sup id="cite_ref-PSQ2014_6-0" class="reference"><a href="#cite_note-PSQ2014-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Gradually, discovery interfaces were created to be more forgiving of misspellings and punctuation choices than historical OPACs, and to offer features like suggestion of related search terms and <a href="/wiki/Faceted_search" title="Faceted search">faceted search</a>.<sup id="cite_ref-TSL2011_4-1" class="reference"><a href="#cite_note-TSL2011-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>Reference librarians in the mid-2000s also spent "a lot of time talking about <a href="/wiki/Information_silo" title="Information silo">information silos</a>".<sup id="cite_ref-JAL2012_7-0" class="reference"><a href="#cite_note-JAL2012-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> They were concerned that library users had to hunt for various types of resources with various tools, an obstacle to users, resulting in underused resources.<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> Librarians sought multidatabase search products that would collapse the silos. </p> <div class="mw-heading mw-heading3"><h3 id="Emergence_of_the_discovery_layer">Emergence of the discovery layer</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Discovery_system_(bibliographic_search)&action=edit&section=5" title="Edit section: Emergence of the discovery layer"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>These two features, search-engine-like interfaces and multidatabase search, began to appear in the same software systems. One author dates the uniting of these features to 2009; this would be the invention of the discovery system.<sup id="cite_ref-CRL2017_2-2" class="reference"><a href="#cite_note-CRL2017-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Particularly if decoupled from an ILS, this united product can also be called a discovery layer. "The discovery layer still uses the information and indexing in the integrated library system (ILS), but it also searches across proprietary databases and other electronic resources, all with the goal of revealing everything that a library owns or has licensed on a given topic be it a print <a href="/wiki/Monograph" title="Monograph">monograph</a>, an electronic journal article, streaming video, or a collection of archival documents"<sup id="cite_ref-JAL2012_7-1" class="reference"><a href="#cite_note-JAL2012-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p>The discovery layer can be looked on as the replacement for the OPAC.<sup id="cite_ref-JAL2016_9-0" class="reference"><a href="#cite_note-JAL2016-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> Some libraries maintain both a catalog interface OPAC and a discovery layer interface.<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> </p> <div class="mw-heading mw-heading2"><h2 id="Typical_features_of_a_discovery_system">Typical features of a discovery system</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Discovery_system_(bibliographic_search)&action=edit&section=6" title="Edit section: Typical features of a discovery system"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Large search space: A search can search the data from different data sources (the discovery system has a comprehensive central subject index). For example, you can search a journal article or a textbook directly in the discovery system and you do not have to change from a subject database to the library catalog.</li> <li>Intuitive usability, like a search engine. The search is basically only a simple form, an advanced search function is not always provided.</li> <li>Ranking of the results according to relevance: The "best" hit is displayed first, not necessarily the newest one. A good ranking is important because many hits are often found due to the large search space.</li> <li>Search refinement with drill-down menus (facets): For example, a search can be restricted to all matches available online.</li> <li>Correction of input errors via a "Did you mean ...?" function.</li> <li><a href="/wiki/Autocomplete" title="Autocomplete">Autocomplete</a>: After input to the search field, a <a href="/wiki/Drop-down_list" title="Drop-down list">drop-down list</a> of suggestions appears.</li> <li>Exploratory search: One finds results of interest that were not specifically requested. For example, links to similar hits, entries in <a href="/wiki/Bibliographic_database" title="Bibliographic database">subject databases</a>, or <a href="/wiki/Wikipedia" title="Wikipedia">Wikipedia</a> articles are displayed (integration of other web technologies).</li></ul> <div class="mw-heading mw-heading2"><h2 id="Examples_of_discovery_system_products">Examples of discovery system products</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Discovery_system_(bibliographic_search)&action=edit&section=7" title="Edit section: Examples of discovery system products"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Some discovery layer or discovery service products are modules of a particular ILS or database product, and are sold by that product's vendor: an example is <a href="/wiki/EBSCO_Information_Services" title="EBSCO Information Services">EBSCO</a> Discovery Service. Other discovery tools are free-standing software products: <a href="/wiki/Blacklight_(software)" title="Blacklight (software)">Blacklight</a> and <a href="/wiki/VuFind" title="VuFind">VuFind</a> are <a href="/wiki/Open-source_software" title="Open-source software">open-source</a> examples. </p><p>Commercial products: </p> <ul><li>Summon (Serial Solutions)</li> <li>Primo Central (<a href="/wiki/Ex_Libris_Group" title="Ex Libris Group">ExLibris</a>)</li> <li><a href="/wiki/EBSCO" class="mw-redirect" title="EBSCO">EBSCO</a> Discovery Service</li> <li>WorldCat Discovery (<a href="/wiki/OCLC" title="OCLC">OCLC</a>)</li></ul> <p>Open-source products: </p> <ul><li>Blacklight</li> <li>VuFind (Villanova University Library)</li> <li>Lukida (<a href="https://de.wikipedia.org/wiki/Gemeinsamer_Bibliotheksverbund" class="extiw" title="de:Gemeinsamer Bibliotheksverbund">GBV Common Library Network</a>)</li> <li>Aspen Discovery (<a href="/wiki/ByWater_Solutions" title="ByWater Solutions">ByWater Solutions</a>)<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></li></ul> <div class="mw-heading mw-heading2"><h2 id="Comparison">Comparison</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Discovery_system_(bibliographic_search)&action=edit&section=8" title="Edit section: Comparison"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable sortable" style="font-size: smaller; text-align: center; width: auto;"> <tbody><tr> <th style="width: 12em">Software </th> <th>Developer </th> <th>Year of release </th> <th>Year of latest stable release </th> <th>Written in </th> <th>Main purpose </th> <th>License </th> <th>Wikipedia article w/out issues </th></tr> <tr> <th><a href="/wiki/VuFind" title="VuFind">VuFind</a> </th> <td><a href="/wiki/Villanova_University" title="Villanova University">Villanova University</a> </td> <td>2010 </td> <td>2021 </td> <td><a href="/wiki/PHP" title="PHP">PHP</a> </td> <td>Discovery </td> <td><a href="/wiki/GNU_General_Public_License" title="GNU General Public License">GPL-2.0-only</a> </td> <td style="background:#9EFF9E;color:black;vertical-align:middle;text-align:center;" class="table-yes">Yes </td></tr> <tr> <th><a href="/wiki/Blacklight_(software)" title="Blacklight (software)">Blacklight</a> </th> <td><a href="/wiki/University_of_Virginia_Library" class="mw-redirect" title="University of Virginia Library">University of Virginia Library</a>, <a href="/wiki/Stanford_University_Libraries" title="Stanford University Libraries">Stanford University Libraries</a>, and Project Blacklight team </td> <td>2009 </td> <td>2021 </td> <td><a href="/wiki/Ruby_(programming_language)" title="Ruby (programming language)">Ruby</a> </td> <td>Discovery </td> <td><a href="/wiki/Apache_License" title="Apache License">Apache-2.0</a> </td> <td style="background:#9EFF9E;color:black;vertical-align:middle;text-align:center;" class="table-yes">Yes </td></tr> </tbody></table> <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=Discovery_system_(bibliographic_search)&action=edit&section=9" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Karlsruher_Virtueller_Katalog" title="Karlsruher Virtueller Katalog">Karlsruher Virtueller Katalog</a> – an example of a <a href="/wiki/Metasearch_engine" title="Metasearch engine">metasearch engine</a> for library catalogs</li> <li><a href="/wiki/Library_portal" title="Library portal">Library portal</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=Discovery_system_(bibliographic_search)&action=edit&section=10" 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">Breeding, M. 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Archived from <a rel="nofollow" class="external text" href="https://www.libraryjournal.com/article/CA273959.html">the original</a> on 2005-11-26.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Library+Journal&rft.atitle=Library+catalogs%3A+the+wrong+solution&rft.volume=128&rft.issue=3&rft.pages=28-29&rft.date=2003-02-15&rft.aulast=Tennant&rft.aufirst=Roy&rft_id=https%3A%2F%2Fwww.libraryjournal.com%2Farticle%2FCA273959.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADiscovery+system+%28bibliographic+search%29" class="Z3988"></span></span> </li> <li id="cite_note-JAL2016-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-JAL2016_9-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBlakesley2016" class="citation journal cs1">Blakesley, Elizabeth (May 2016). "Cognitive Bias and the Discovery Layer". <i>The Journal of Academic Librarianship</i>. <b>42</b> (3): 191. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.acalib.2016.03.004">10.1016/j.acalib.2016.03.004</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Journal+of+Academic+Librarianship&rft.atitle=Cognitive+Bias+and+the+Discovery+Layer&rft.volume=42&rft.issue=3&rft.pages=191&rft.date=2016-05&rft_id=info%3Adoi%2F10.1016%2Fj.acalib.2016.03.004&rft.aulast=Blakesley&rft.aufirst=Elizabeth&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADiscovery+system+%28bibliographic+search%29" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</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://libguides.memphis.edu/catalogs">"Classic Catalog vs. Discovery Layer (EBSCO Discovery Service)"</a>. <i>The University of Memphis</i><span class="reference-accessdate">. Retrieved <span class="nowrap">September 18,</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=The+University+of+Memphis&rft.atitle=Classic+Catalog+vs.+Discovery+Layer+%28EBSCO+Discovery+Service%29&rft_id=https%3A%2F%2Flibguides.memphis.edu%2Fcatalogs&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADiscovery+system+%28bibliographic+search%29" class="Z3988"></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBreeding2019" class="citation journal cs1">Breeding, Marshall (December 2019). <a rel="nofollow" class="external text" href="https://librarytechnology.org/document/24782">"ByWater Expands Support Offerings to Include Aspen Discovery"</a>. <i>Smart Libraries Newsletter</i>. <b>39</b> (12): 4–5.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Smart+Libraries+Newsletter&rft.atitle=ByWater+Expands+Support+Offerings+to+Include+Aspen+Discovery&rft.volume=39&rft.issue=12&rft.pages=4-5&rft.date=2019-12&rft.aulast=Breeding&rft.aufirst=Marshall&rft_id=https%3A%2F%2Flibrarytechnology.org%2Fdocument%2F24782&rfr_id=info%3Asid%2Fen.wikipedia.org%3ADiscovery+system+%28bibliographic+search%29" 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=Discovery_system_(bibliographic_search)&action=edit&section=11" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Heidrun Wiesenmüller: <i>Informationskompetenz und Bibliothekskataloge</i>. In: Wilfried Sühl-Strohmenger / Martina Straub (Hg.): <i>Handbuch Informationskompetenz</i>. De Gruyter Saur, Berlin 2012, p. 93–100.</li> <li>Klaus Niedermair: <a rel="nofollow" class="external text" href="http://eprints.rclis.org/22983/1/vöb-mitteilungen_67%20%282014%29%201_Klaus%20Niedermair_Gefährden%20Suchmaschinen%20und%20Discovery-Systeme%20die%20informationelle%20Autonomie.pdf"><i>Gefährden Suchmaschinen und Discovery-Systeme die informationelle Autonomie?</i></a> In: <i>Mitteilungen der Vereinigung Österreichischer Bibliothekarinnen & Bibliothekare</i>. Vol. 67, 2014, Nr. 1, p. 109–125.</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=Discovery_system_(bibliographic_search)&action=edit&section=12" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://digbib.ubka.uni-karlsruhe.de/volltexte/1000029081">Wiesenmüller, Heidrun (2012): <i>Resource Discovery Systeme – Chance oder Verhängnis für die bibliothekarische Erschließung?</i> Vortrag im Rahmen der Jahrestagung der Deutschen Gesellschaft für Klassifikation, 1.–2. August 2012, Hildesheim</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist 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library">Subscription</a></li> <li><a href="/wiki/Tool_library" title="Tool library">Tool</a></li> <li><a href="/wiki/Toy_library" title="Toy library">Toy</a></li> <li><a href="/wiki/Transportation_library" title="Transportation library">Transportation</a></li> <li><a href="/wiki/Traveling_library" title="Traveling library">Traveling</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Types of <a href="/wiki/Librarian" title="Librarian">librarian</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Distance_education_librarian" title="Distance education librarian">Distance education</a></li> <li><a href="/wiki/E-Science_librarianship" title="E-Science librarianship">E-science</a></li> <li><a href="/wiki/Foreign,_comparative,_and_international_law_librarian" title="Foreign, comparative, and international law librarian">Law</a></li> <li><a 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<li><a href="/wiki/Library_classification" title="Library classification">Classification</a></li> <li><a href="/wiki/Collection_development" title="Collection development">Collection development</a></li> <li><a href="/wiki/Collective_collection" title="Collective collection">Collective collection</a></li> <li><a href="/wiki/Conservation_and_restoration_of_books,_manuscripts,_documents_and_ephemera" class="mw-redirect" title="Conservation and restoration of books, manuscripts, documents and ephemera">Conservation</a></li> <li><a class="mw-selflink selflink">Discovery system</a></li> <li><a href="/wiki/Electronic_resource_management" title="Electronic resource management">Electronic resource management</a></li> <li><a href="/wiki/Information_literacy" title="Information literacy">Information literacy</a></li> <li><a href="/wiki/Inventory_(library_and_archive)" title="Inventory (library and archive)">Inventory</a></li> <li><a href="/wiki/Legal_deposit" title="Legal deposit">Legal deposit</a></li> <li><a href="/wiki/Library_history" title="Library history">Library history</a></li> <li><a href="/wiki/Library_instruction" title="Library instruction">Library instruction</a></li> <li><a href="/wiki/Library_management" title="Library management">Library management</a></li> <li><a href="/wiki/Library_publishing" title="Library publishing">Library publishing</a></li> <li><a href="/wiki/Preservation_(library_and_archive)" title="Preservation (library and archive)">Preservation</a></li> <li><a href="/wiki/Readers%27_advisory" title="Readers' advisory">Readers' advisory</a></li> <li><a href="/wiki/Reference_desk" title="Reference desk">Reference</a> <ul><li><a href="/wiki/Digital_reference" title="Digital reference">virtual</a></li> <li><a href="/wiki/Roving_reference" title="Roving reference">roving</a></li></ul></li> <li><a href="/wiki/Library_technical_services" title="Library technical services">Technical services</a></li> <li><a href="/wiki/Weeding_(library)" title="Weeding (library)">Weeding</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">History</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/History_of_libraries" title="History of libraries">History of libraries</a></li> <li><a href="/wiki/Library_science#History" class="mw-redirect" title="Library science">History of library science</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Template:Library_nav" title="Template:Library nav">Lists</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_libraries" title="List of libraries">Libraries</a> <ul><li><a href="/wiki/List_of_libraries_by_country" class="mw-redirect" title="List of libraries by country">by country</a></li> <li><a href="/wiki/List_of_largest_libraries" title="List of largest libraries">by size</a></li> <li><a href="/wiki/List_of_libraries_in_the_ancient_world" title="List of libraries in the ancient world">ancient</a></li> <li><a href="/wiki/List_of_destroyed_libraries" title="List of destroyed libraries">destroyed</a></li> <li><a href="/wiki/List_of_medical_libraries" title="List of medical libraries">medical</a></li> <li><a href="/wiki/List_of_national_and_state_libraries" title="List of national and state libraries">national</a></li></ul></li> <li><a href="/wiki/List_of_library_associations" title="List of library associations">Library associations</a></li> <li><a href="/wiki/List_of_library_science_schools" title="List of library science schools">Library schools</a></li> <li><a href="/wiki/List_of_librarians" title="List of librarians">Librarians</a> <ul><li><a href="/wiki/List_of_female_librarians" title="List of female librarians">women</a></li> <li><a href="/wiki/Libraries_and_librarians_in_fiction" class="mw-redirect" title="Libraries and librarians in fiction">fictional</a></li></ul></li> <li><a href="/wiki/List_of_archivists" title="List of archivists">Archivists</a> <ul><li><a href="/wiki/List_of_female_archivists" title="List of female archivists">women</a></li></ul></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:Libraries" title="Category:Libraries">Category:Libraries</a></li> <li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:Library_science" title="Category:Library science">Category:Library science</a></li> <li><span class="noviewer" typeof="mw:File"><span title="Commons page"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> <a href="https://commons.wikimedia.org/wiki/Category:Libraries" class="extiw" title="commons:Category:Libraries">Commons</a></li> <li><span class="noviewer" typeof="mw:File"><span title="List-Class article"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/16px-Symbol_list_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/23px-Symbol_list_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/31px-Symbol_list_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Glossary_of_library_and_information_science" 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