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50:. 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.
190:
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
91:, 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
189:
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
169:
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
206:
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
181:". 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.
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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.
1215:
146:. 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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550:"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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488:"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?
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717:
Blakesley, Elizabeth (May 2016). "Cognitive Bias and the
Discovery Layer".
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139:
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Users searching for print materials (such as books) at a library once used
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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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745:"Classic Catalog vs. Discovery Layer (EBSCO Discovery Service)"
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articles are displayed (integration of other web technologies).
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771:"ByWater Expands Support Offerings to Include Aspen Discovery"
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has been described as an overarching term that can include:
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and is intended to supplement or even replace the existing
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International Trends in
Library and Information Technology
591:"Integrated Library Systems and Dis-Integrative Pressures"
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200:
799:. In: Wilfried SĂĽhl-Strohmenger / Martina Straub (Hg.):
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software systems were named integrated library systems.
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Bossaller, Jenny S.; Moulaison Sandy, Heather (2017).
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109:of catalog search and browse functionality from an
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803:. De Gruyter Saur, Berlin 2012, p. 93–100.
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797:Informationskompetenz und Bibliothekskataloge
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142:, and later computerized catalogs called
113:(ILS). The distinction between discovery
39:technology. It is part of the concept of
1497:Library and information science software
816:. Vol. 67, 2014, Nr. 1, p. 109–125.
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524:Free/Open Source Software for Libraries
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690:"Library catalogs: the wrong solution"
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201:Typical features of a discovery system
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719:The Journal of Academic Librarianship
663:The Journal of Academic Librarianship
303:VuFind (Villanova University Library)
245:Examples of discovery system products
225:: After input to the search field, a
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769:Breeding, Marshall (December 2019).
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688:Tennant, Roy (February 15, 2003).
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350:Knowledge article w/out issues
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801:Handbuch Informationskompetenz
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466:Library Technology Reports, 54
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401:, and Project Blacklight team
395:University of Virginia Library
338:Year of latest stable release
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436:Karlsruher Virtueller Katalog
399:Stanford University Libraries
321:
81:. This idea is also called a
73:that library users search or
731:10.1016/j.acalib.2016.03.004
675:10.1016/j.acalib.2012.09.019
637:10.1080/15228959.2014.875788
567:10.1080/0361526X.2011.556028
170:of related search terms and
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1159:Education for librarianship
520:"What is a discovery layer"
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33:bibliographic search system
10:
1513:
1319:History of library science
775:Smart Libraries Newsletter
702:(3): 28–29. Archived from
526:. LYRASIS. October 4, 2012
308:GBV Common Library Network
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749:The University of Memphis
625:Public Services Quarterly
272:Summon (Serial Solutions)
150:particular to libraries.
111:integrated library system
1436:Category:Library science
1121:Information professional
1018:Learning Resource Centre
133:
71:graphical user interface
589:Manifold, Alan (2014).
229:of suggestions appears.
83:next-generation catalog
1206:Collection development
795:Heidrun WiesenmĂĽller:
296:Open-source products:
1211:Collective collection
554:The Serials Librarian
268:Commercial products:
161:Changing expectations
1374:Library associations
1314:History of libraries
1231:Information literacy
505:10.5860/crl.78.5.602
468:(8). Retrieved from
442:for library catalogs
361:Villanova University
288:WorldCat Discovery (
1251:Library instruction
1111:Periodicals/serials
1030:Special collections
67:Discovery interface
1426:Category:Libraries
1293:Technical services
1261:Library publishing
1256:Library management
1084:Distance education
806:Klaus Niedermair:
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1271:Readers' advisory
944:Library of things
440:metasearch engine
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315:ByWater Solutions
313:Aspen Discovery (
285:Discovery Service
234:subject databases
179:information silos
16:(Redirected from
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1266:Preservation
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1216:Conservation
1164:Acquisitions
1045:Subscription
974:Presidential
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704:the original
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631:(1): 55–61.
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528:. Retrieved
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380:GPL-2.0-only
295:
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223:Autocomplete
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107:separability
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28:
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1476:WikiProject
1196:Circulation
341:Written in
263:open-source
54:Terminology
41:Library 2.0
1401:Archivists
1384:Librarians
1342:by country
1179:Cataloging
1174:Assessment
912:Consortium
902:Children's
781:(12): 4–5.
725:(3): 191.
604:(2): 13–25
452:References
419:Apache-2.0
415:Discovery
390:Blacklight
376:Discovery
332:Developer
322:Comparison
300:Blacklight
265:examples.
255:Blacklight
155:monolithic
1394:fictional
1357:destroyed
1337:Libraries
1276:Reference
1236:Inventory
1149:Five laws
1089:E-science
1076:librarian
1074:Types of
1065:Traveling
907:Christian
867:Libraries
576:219625402
329:Software
238:Knowledge
192:monograph
119:interface
99:The term
58:The term
35:based on
1491:Category
1456:Glossary
1367:national
1104:ensemble
1008:Research
1001:Carnegie
969:National
954:Medicine
887:Academic
645:62604613
430:See also
347:License
306:Lukida (
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