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39:. 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. 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.
179:
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
80:, 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
178:
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. Particularly if decoupled from an ILS, this united product can also be
158:
became more widespread, library users developed "the expectation of being able to discover the collection in a search engine style". Gradually, discovery interfaces were created to be more forgiving of misspellings and punctuation choices than historical OPACs, and to offer features like suggestion
195:
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
170:". 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. Librarians sought multidatabase search products that would collapse the silos.
1204:
796:
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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.
135:. 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
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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.
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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
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The discovery layer can be looked on as the replacement for the OPAC. Some libraries maintain both a catalog interface OPAC and a discovery layer interface.
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Intuitive usability, like a search engine. The search is basically only a simple form, an advanced search function is not always provided.
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Exploratory search: One finds results of interest that were not specifically requested. For example, links to similar hits, entries in
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As computerization advanced, OPACs were integrated with other library systems, like acquisition and circulation systems. The resulting
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Search refinement with drill-down menus (facets): For example, a search can be restricted to all matches available online.
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with. It includes search-engine like amenities such as spelling correction, tolerance for punctuation differences, and
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Vortrag im Rahmen der
Jahrestagung der Deutschen Gesellschaft für Klassifikation, 1.–2. August 2012, Hildesheim
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539:"Oasis or Quicksand: Implementing a Catalog Discovery Layer to Maximize Access to Electronic Resources"
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https://www.alastore.ala.org/content/index-based-discovery-services-current-market-positions-and-trends
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Resource
Discovery Systeme – Chance oder Verhängnis für die bibliothekarische Erschließung?
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Breeding, M. (2018) Index-based discovery services: Current market positions and trends.
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Mitteilungen der
Vereinigung Ă–sterreichischer Bibliothekarinnen & Bibliothekare
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477:"Documenting the Conversation: A Systematic Review of Library Discovery Layers"
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Discovery
Service. Other discovery tools are free-standing software products:
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Reference librarians in the mid-2000s also spent "a lot of time talking about
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Gefährden
Suchmaschinen und Discovery-Systeme die informationelle Autonomie?
180:
706:
Blakesley, Elizabeth (May 2016). "Cognitive Bias and the
Discovery Layer".
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Users searching for print materials (such as books) at a library once used
612:
Kennedy, Sean P. (March 11, 2014). "Uncovering
Discovery Layer Services".
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indicates that the software is modular and can be used to emphasize the
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Little, Geoffrey (November 2012). "Thinking About
Discovery Layers".
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Safley, Ellen; Montgomery, Debbie; Gardner, Sarah (April 19, 2011).
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Correction of input errors via a "Did you mean ...?" function.
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828:
734:"Classic Catalog vs. Discovery Layer (EBSCO Discovery Service)"
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articles are displayed (integration of other web technologies).
760:"ByWater Expands Support Offerings to Include Aspen Discovery"
360:
51:
has been described as an overarching term that can include:
32:
and is intended to supplement or even replace the existing
587:
International Trends in
Library and Information Technology
580:"Integrated Library Systems and Dis-Integrative Pressures"
788:. In: Wilfried SĂĽhl-Strohmenger / Martina Straub (Hg.):
146:
software systems were named integrated library systems.
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Bossaller, Jenny S.; Moulaison Sandy, Heather (2017).
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98:of catalog search and browse functionality from an
792:. De Gruyter Saur, Berlin 2012, p. 93–100.
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786:Informationskompetenz und Bibliothekskataloge
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131:, and later computerized catalogs called
102:(ILS). The distinction between discovery
28:technology. It is part of the concept of
1486:Library and information science software
805:. Vol. 67, 2014, Nr. 1, p. 109–125.
513:Free/Open Source Software for Libraries
446:
679:"Library catalogs: the wrong solution"
190:Typical features of a discovery system
708:The Journal of Academic Librarianship
652:The Journal of Academic Librarianship
339:Knowledge (XXG) article w/out issues
292:VuFind (Villanova University Library)
234:Examples of discovery system products
214:: After input to the search field, a
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758:Breeding, Marshall (December 2019).
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174:Emergence of the discovery layer
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790:Handbuch Informationskompetenz
455:Library Technology Reports, 54
390:, and Project Blacklight team
384:University of Virginia Library
327:Year of latest stable release
1:
425:Karlsruher Virtueller Katalog
388:Stanford University Libraries
70:. This idea is also called a
62:that library users search or
720:10.1016/j.acalib.2016.03.004
664:10.1016/j.acalib.2012.09.019
626:10.1080/15228959.2014.875788
556:10.1080/0361526X.2011.556028
159:of related search terms and
1148:Education for librarianship
509:"What is a discovery layer"
22:bibliographic search system
1502:
1308:History of library science
764:Smart Libraries Newsletter
691:(3): 28–29. Archived from
515:. LYRASIS. October 4, 2012
297:GBV Common Library Network
1405:
738:The University of Memphis
614:Public Services Quarterly
261:Summon (Serial Solutions)
139:particular to libraries.
100:integrated library system
1425:Category:Library science
1110:Information professional
1007:Learning Resource Centre
60:graphical user interface
578:Manifold, Alan (2014).
218:of suggestions appears.
72:next-generation catalog
1195:Collection development
784:Heidrun WiesenmĂĽller:
285:Open-source products:
1200:Collective collection
543:The Serials Librarian
257:Commercial products:
150:Changing expectations
1363:Library associations
1303:History of libraries
1220:Information literacy
494:10.5860/crl.78.5.602
457:(8). Retrieved from
431:for library catalogs
350:Villanova University
277:WorldCat Discovery (
1240:Library instruction
1100:Periodicals/serials
1019:Special collections
56:Discovery interface
1415:Category:Libraries
1282:Technical services
1250:Library publishing
1245:Library management
1073:Distance education
795:Klaus Niedermair:
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1260:Readers' advisory
933:Library of things
429:metasearch engine
416:
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304:ByWater Solutions
302:Aspen Discovery (
274:Discovery Service
223:subject databases
168:information silos
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324:Year of release
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1153:Acquisitions
1034:Subscription
963:Presidential
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741:. Retrieved
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693:the original
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620:(1): 55–61.
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369:GPL-2.0-only
284:
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212:Autocomplete
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96:separability
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48:
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1465:WikiProject
1185:Circulation
330:Written in
252:open-source
43:Terminology
30:Library 2.0
1390:Archivists
1373:Librarians
1331:by country
1168:Cataloging
1163:Assessment
901:Consortium
891:Children's
770:(12): 4–5.
714:(3): 191.
593:(2): 13–25
441:References
408:Apache-2.0
404:Discovery
379:Blacklight
365:Discovery
321:Developer
311:Comparison
289:Blacklight
254:examples.
244:Blacklight
144:monolithic
1383:fictional
1346:destroyed
1326:Libraries
1265:Reference
1225:Inventory
1138:Five laws
1078:E-science
1065:librarian
1063:Types of
1054:Traveling
896:Christian
856:Libraries
565:219625402
318:Software
181:monograph
108:interface
88:The term
47:The term
24:based on
1480:Category
1445:Glossary
1356:national
1093:ensemble
997:Research
990:Carnegie
958:National
943:Medicine
876:Academic
634:62604613
419:See also
336:License
295:Lukida (
266:ExLibris
37:catalogs
1455:Outline
1435:Commons
1351:medical
1341:ancient
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632:
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