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  • × theme_ss:"OPAC"
  1. Wimmer, W.: Mit dem 'Surfbrett' in die Bibliothek : der World-Wide-Web Katalog der Bibliothek der Friedrich-Ebert-Stiftung (1996) 0.08
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    Date
    22. 4.1996 20:07:57
  2. Schneider, R.: OPACs, Benutzer und das Web (2009) 0.08
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    Abstract
    Der Artikel betrachtet anhand einer Studie zum Benutzerverhalten bei der Online-Katalogrecherche den gegenwärtigen Stellenwert und das zukünftige Potential der Web-OPACs. Dabei werden zunächst die Ergebnisse einer quantitativen Logfile-Analyse sowie qualitativer Benutzertests erörtert, bevor aktuelle Entwicklungen der Webtechnologie, die unter den Schlagworten Web 2.0 und Web 3.0 propagiert werden, im Zusammenhang mit der Online-Recherche und der Entwicklung neuartiger Suchverfahren kurz diskutiert werden.
    Date
    22. 2.2009 18:50:43
  3. Davis, E.; Stone, J.: ¬A painless route on to the Web : Web services 1: The Royal Postgraduate Medical School (1997) 0.06
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    Date
    29. 7.1998 21:22:27
  4. Green, E.; Head, A.J.: Web-based catalogs : is their design language anything to talk about? (1998) 0.06
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    Abstract
    Stanford University's Socrates II and University of California at Berkeley's Pathfinder are 2 USA World Wide Web based online publication access catalogues under development. They differ in their design language (how an interface functionally and visually communicates to the users). Evaluates each system's interface design and their ability to communicate functionality to users: analyzes design in terms of: colour, buttons, metaphors, layout, and basic and advanced search modes. Concludes that the design languages of both systems have the right directive and have the potential to evolve
    Source
    Online. 22(1998) no.4, S.98-105
  5. Dierolf, U.; Mönnich, M.: Karlsruher Virtueller Katalog (KVK) : neue Dienstleistung im World Wide Web (1996) 0.05
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    Date
    21. 9.1996 16:03:22
  6. Hillmann, D.I.: "Parallel universes" or meaningful relationships : envisioning a future for the OPAC and the net (1996) 0.05
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    Abstract
    Over the past year, innumerable discussions on the relationship between traditional library OPACs and the newly burgeoning World WideWeb have occured in many libraries and in virtually every library related discussion list. Rumors and speculation abound, some insisting that SGML will replace USMARC "soon," others maintaining that OPACs that haven't migrated to the Web will go the way of the dinosaurs.
    Source
    Cataloging and classification quarterly. 22(1996) nos.3/4, S.97-103
  7. Blosser, J.; Michaelson, R.; Routh. R.; Xia, P.: Defining the landscape of Web resources : Concluding Report of the BAER Web Resources Sub-Group (2000) 0.05
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    Abstract
    The BAER Web Resources Group was charged in October 1999 with defining and describing the parameters of electronic resources that do not clearly belong to the categories being defined by the BAER Digital Group or the BAER Electronic Journals Group. After some difficulty identifying precisely which resources fell under the Group's charge, we finally named the following types of resources for our consideration: web sites, electronic texts, indexes, databases and abstracts, online reference resources, and networked and non-networked CD-ROMs. Electronic resources are a vast and growing collection that touch nearly every department within the Library. It is unrealistic to think one department can effectively administer all aspects of the collection. The Group then began to focus on the concern of bibliographic access to these varied resources, and to define parameters for handling or processing them within the Library. Some key elements became evident as the work progressed. * Selection process of resources to be acquired for the collection * Duplication of effort * Use of CORC * Resource Finder design * Maintenance of Resource Finder * CD-ROMs not networked * Communications * Voyager search limitations. An unexpected collaboration with the Web Development Committee on the Resource Finder helped to steer the Group to more detailed descriptions of bibliographic access. This collaboration included development of data elements for the Resource Finder database, and some discussions on Library staff processing of the resources. The Web Resources Group invited expert testimony to help the Group broaden its view to envision public use of the resources and discuss concerns related to technical services processing. The first testimony came from members of the Resource Finder Committee. Some background information on the Web Development Resource Finder Committee was shared. The second testimony was from librarians who select electronic texts. Three main themes were addressed: accessing CD-ROMs; the issue of including non-networked CD-ROMs in the Resource Finder; and, some special concerns about electronic texts. The third testimony came from librarians who select indexes and abstracts and also provide Reference services. Appendices to this report include minutes of the meetings with the experts (Appendix A), a list of proposed data elements to be used in the Resource Finder (Appendix B), and recommendations made to the Resource Finder Committee (Appendix C). Below are summaries of the key elements.
    Date
    21. 4.2002 10:22:31
  8. Piccotti, P.: ¬Les nouvelles technologies et la recherche documentaire (1998) 0.05
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    Abstract
    The Venice University Institute of Architecture has developed Easyweb, a software package to integrate its heterogeneous non-compatible bibliographic and multimedia databases, standardise access and create internal links, by transferring all existing OPAC applications to the Web. Features include importation of UNIMARC data, multiple window searching, multibase searching and special applications, e.g. circulation management. Easyweb is notable user friendly and has become the point of reference for OPACs in Italy
    Source
    Bulletin d'informations de l'Association des Bibliothecaires Francais. 1998, no.178, S.20-22
  9. Hahn, U.; Schulze, M.: Katalogerweiterungen, Mashups und Elemente der Bibliothek 2.0" in der Praxis : der Katalog der Universitätsbibliothek der Helmut-Schmidt-Universität (IHSU) Universität der Bundeswehr Hamburg (2009) 0.04
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    Abstract
    Die verschiedenen unter dem Schlagwort "Bibliothek 2.0" zusammengefassten neuen Dienste und Komponenten wie etwa Wikis, Tagging-Systeme und Blogs sind seit einiger Zeit in aller Munde und dringen über Fortbildungsveranstaltungen, Konferenzen und Publikationsorgane immer mehr in das deutschsprachige Bibliothekswesen ein. Darüber hinaus gibt es öffentlich geförderte Projekte zu bibliothekarischen 2.0-Themen und sogar ein Projekt, welches sich explizit einen 2.0-Katalog zum Ziel gesetzt hat. In diesem Beitrag soll es nun nicht um die Vorstellung eines weiteren Projekts im Dienste des Themas "Bibliothek 2.0" gehen, ebenso hat dieser Beitrag nicht den Anspruch, die Diskussion über die möglichen Vor- oder Nachteile dieser Thematik auf theoretischer Ebene voranzubringen. Vielmehr wird hier ganz praktisch aus Sicht einer kleinen Universitätsbibliothek, der Bibliothek der Helmut-SchmidtUniversität (HSU) - Universität der Bundeswehr Hamburg, aufgezeigt, wie das Thema "Web/Bibliothek 2.0" durchaus neben und in Unterstützung von weiteren nutzerorientierten Servicedienstleistungen auch in kleinen Schritten positive Auswirkungen für die Nutzerinnen und Nutzer haben kann. Der Focus wird dabei auf dem zentralen Arbeits- und Rechercheinstrument der Bibliotheksnutzer liegen, dem Bibliothekskatalog. Speziell wird es darum gehen, wie auf relativ einfache Art und Weise durch Anwendung verschiedener Elemente anderer Dienste und Anbieter sowie das Aufgreifen von Schnittstellen und wenig aufwendigen Verbesserungen, Mehrwert für die Nutzerinnen und Nutzer zu erzielen ist. Ein zentraler Begriff bei fast allen Überlegungen, die im Zusammenhang mit der Verbesserung und Anreicherung des Kataloges stehen, war und ist das Thema "Mash-up". Unter Mashups - ein Begriff, der gerade im Zusammenhang mit dem Thema "Web 2.0" im deutschsprachigen Raum eingeführt und adaptiert wurde - wird das Verfahren bezeichnet, Web-Inhalte neu zu kombinieren. Dabei nutzt man bei und für Mashups offene "APIs" (Application Programming Interfaces, also offene Programmierschnittstellen), die von anderen Web-Anwendungen zur Verfügung gestellt werden.
    Date
    22. 2.2009 19:40:38
  10. Khoo, C.S.G.; Wan, K.-W.: ¬A simple relevancy-ranking strategy for an interface to Boolean OPACs (2004) 0.03
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    Content
    "Most Web search engines accept natural language queries, perform some kind of fuzzy matching and produce ranked output, displaying first the documents that are most likely to be relevant. On the other hand, most library online public access catalogs (OPACs) an the Web are still Boolean retrieval systems that perform exact matching, and require users to express their search requests precisely in a Boolean search language and to refine their search statements to improve the search results. It is well-documented that users have difficulty searching Boolean OPACs effectively (e.g. Borgman, 1996; Ensor, 1992; Wallace, 1993). One approach to making OPACs easier to use is to develop a natural language search interface that acts as a middleware between the user's Web browser and the OPAC system. The search interface can accept a natural language query from the user and reformulate it as a series of Boolean search statements that are then submitted to the OPAC. The records retrieved by the OPAC are ranked by the search interface before forwarding them to the user's Web browser. The user, then, does not need to interact directly with the Boolean OPAC but with the natural language search interface or search intermediary. The search interface interacts with the OPAC system an the user's behalf. The advantage of this approach is that no modification to the OPAC or library system is required. Furthermore, the search interface can access multiple OPACs, acting as a meta search engine, and integrate search results from various OPACs before sending them to the user. The search interface needs to incorporate a method for converting the user's natural language query into a series of Boolean search statements, and for ranking the OPAC records retrieved. The purpose of this study was to develop a relevancyranking algorithm for a search interface to Boolean OPAC systems. This is part of an on-going effort to develop a knowledge-based search interface to OPACs called the E-Referencer (Khoo et al., 1998, 1999; Poo et al., 2000). E-Referencer v. 2 that has been implemented applies a repertoire of initial search strategies and reformulation strategies to retrieve records from OPACs using the Z39.50 protocol, and also assists users in mapping query keywords to the Library of Congress subject headings."
    Source
    Electronic library. 22(2004) no.2, S.112-120
  11. Golderman, G.M.; Connolly, B.: Between the book covers : going beyond OPAC keyword searching with the deep linking capabilities of Google Scholar and Google Book Search (2004/05) 0.03
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    Abstract
    One finding of the 2006 OCLC study of College Students' Perceptions of Libraries and Information Resources was that students expressed equal levels of trust in libraries and search engines when it came to meeting their information needs in a way that they felt was authoritative. Seeking to incorporate this insight into our own instructional methodology, Schaffer Library at Union College has attempted to engineer a shift from Google to Google Scholar among our student users by representing Scholar as a viable adjunct to the catalog and to snore traditional electronic resources. By attempting to engage student researchers on their own terms, we have discovered that most of them react enthusiastically to the revelation that the Google they think they know so well is, it turns out, a multifaceted resource that is capable of delivering the sort of scholarly information that will meet with their professors' approval. Specifically, this article focuses on the fact that many Google Scholar searches link hack to our own Web catalog where they identify useful book titles that direct OPAC keyword searches have missed.
    Date
    2.12.2007 19:39:22
  12. Walker, S.: Improving subject access painlessly : recent work on the Okapi online catalogue projects (1988) 0.03
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    Source
    Program. 22(1988), S.21-31
  13. Hug, H.; Nöthiger, R.: ETHICS: an online public access catalogue at ETH-Bibliothek, Zürich (1988) 0.03
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    Source
    Program. 22(1988), S.133-142
  14. Ikas, W.-V.; Litten, F.: World Wide Web und Catalogue Enrichment : Möglichkeiten des verbesserten Nachweises von mikroverfilmten Handschriften und Inkunabeln (2007) 0.03
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    Date
    22. 5.2007 11:19:21
  15. Long, C.E.: Improving subject searching in Web-based OPACs : evaluation of the problem and guidelines for design (2000) 0.03
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    Abstract
    Online catalog users search predominately by subject, yet it is the most difficult search to perform and retrieves records only about one-half of the time. A new generation of OPACs (online public access catalogs) is on the horizon, the Web-based OPAC. Web-based OPACs allow users to access online catalogs through a WWW (World Wide Web) interface and have the potential to improve patrons' ability to search by subject. But will this potential be realized? This article proposes some basic guidelines that can be incorporated into Web-based OPAC interface design to help users perform subject searches more effectively, and evaluates how well Web-based OPACs currently in operation address the subject searching problem
  16. Wimmer, W.: Multimedia-Angebote im Bibliothekskatalog : Neue Möglichkeiten durch das ALLEGRO-Programm ALCARTA (1999) 0.02
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    Date
    22. 1.2000 19:36:10
    22. 1.2000 19:41:58
  17. Mitev, N.; Hildreth, C.R.: ¬Les catalogues interactifs en Grande-Bretagne et aux Etats-Unis (1989) 0.02
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    Source
    Bulletin des bibliothèques de France. 34(1989) no.1, S.22-47
  18. Wagner, H.: OPAC für jedermann? (1993) 0.02
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    Footnote
    Eine Replik zu Auer: OPAC und Zeichensatz (Mitteilungen der VÖB 46(1993) H.2, S.21-22)
  19. Auer, G.: Online-Kataloge und Zeichensatz (1993) 0.02
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    Source
    Mitteilungen der Vereinigung Österreichischer Bibliothekare. 46(1993) H.2, S.21-22
  20. Riesthuis, G.J.A.; Stuurman, P.: Tendenzen in de onderwerpsontsluiting : T.4: Onderwerpsontsluiting en on-line catalogi (1990) 0.02
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    Source
    Open. 22(1990) no.10, S.326-330

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