Search (99 results, page 1 of 5)

  • × theme_ss:"Verteilte bibliographische Datenbanken"
  1. Mönnich, M.; Dierolf, U.: 20 Jahre Karlsruher virtueller Katalog (KVK) (2016) 0.05 
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    Date
    24.10.2016 19:29:10
    Source
    B.I.T. Online. 19(2016) H.5, S.402-412
    Type
    a
  2. Kuberek, M.: KOBV: institutionalisiert (2001) 0.03 
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    Date
    29. 9.2001 11:33:57
    Source
    Bibliotheksdienst. 35(2001) H.9, S.1079-1088
    Type
    a
  3. Polleres, A.; Lausen, H.; Lara, R.: Semantische Beschreibung von Web Services (2006) 0.03 
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    Source
    Semantic Web: Wege zur vernetzten Wissensgesellschaft. Hrsg.: T. Pellegrini, u. A. Blumauer
    Type
    a
  4. SRW/U erleichtert verteilte Datenbankrecherchen (2005) 0.03 
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    Content
    "Seit zwei Jahrzehnten nutzen vor allem Bibliotheksverbünde das Protokoll Z39.50, um ihren Benutzern im Internet die simultane Abfrage mehrerer Datenbanken zu ermöglichen. Jetzt gibt es einen Nachfolger dieses Protokolls, der eine einfachere Implementierung verspricht. Damit ist auch eine größere Verbreitung für die Suche in verteilten Datenbeständen anderer Institutionen, wie z.B. Archiven und Museen, wahrscheinlich. SRW/U (Search and Retrieve Web Service bzw. Search and Retrieve URL Service, www.loc.90v/z3950/agency/zing/srw) wurde von einer an der Library of Congress angesiedelten Initiative entwickelt und beruht auf etablierten Standards wie URI und XML. Die mit SRW und SRU möglichen Abfragen und Ergebnisse unterscheiden sich nur in der Art der Übertragung, verwenden aber beide dieselben Prozeduren. Davon gibt es nur drei: explain, scan und searchRetrieve. Die beiden Erstgenannten dienen dazu, allgemeine Informationen über den Datenanbieter bzw. die verfügbaren Indexe zubekommen. Das Herzstück ist die search-Retrieve-Anweisung. Damit werden Anfragen direkt an die Datenbank gesendet und die Parameter des Suchergebnisses definiert. Verwendet wird dafür die Retrievalsprache CQL (Common Query Language), die simple Freitextsuchen, aber auch mit Boolschen Operatoren verknüpfte Recherchen ermöglicht. Bei SRU werden die Suchbefehle mittels einfacher HTTP GET -Anfragen übermittelt, die Ergebnisse in XML zurückgeliefert. Zur Strukturierung der Daten dienen z.B. Dublin Core, MARC oder EAD. Welches Format von der jeweiligen Datenbank bereitgestellt wird, kann durch die explain-Anweisung ermittelt gebracht werden."
    Object
    SRW/U
    Source
    Information - Wissenschaft und Praxis. 56(2005) H.5/6, S.274
    Type
    a
  5. Friedrich, M.; Schimkat, R.-D.; Küchlin, W.: Information retrieval in distributed environments based on context-aware, proactive documents (2002) 0.03 
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    Abstract
    In this position paper we propose a document-centric middleware component called Living Documents to support context-aware information retrieval in distributed communities. A Living Document acts as a micro server for a document which contains computational services, a semi-structured knowledge repository to uniformly store and access context-related information, and finally the document's digital content. Our initial prototype of Living Documents is based an the concept of mobile agents and implemented in Java and XML.
    Source
    Gaining insight from research information (CRIS2002): Proceedings of the 6th International Conference an Current Research Information Systems, University of Kassel, August 29 - 31, 2002. Eds: W. Adamczak u. A. Nase
    Type
    a
  6. Nicholson, D.; Steele, M.: CATRIONA : a distributed, locally-oriented, Z39.50 OPAC-based approach to cataloguing the Internet (1996) 0.02 
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    Abstract
    The aims of CATRIONA were: (1) to investigate the requirements for developing procedures and applications for cataloguing and retrieval of networked resources, and (2) to explore the feasibility of a collaborative project to develop such applications and procedures and integrate them with existing library systems. The project established that a distributed catalogue of networked resources integrated with standard Z39.50 library system OPAC interfaces with information on hard-copy resources is already a practical proposition at a basic level. At least one Z39.50 OPAC client can search remote Z39.50 OPACs, retrieve USMARC records with URLs in 856$u, load a viewer like Netscape, and use it to retrieve and display the remotely held electronic resource on the local workstation. A follow-up project on related issues is being finalised.
    Source
    Cataloging and classification quarterly. 22(1996) nos.3/4, S.127-141
    Type
    a
  7. Lopatenko, A.; Asserson, A.; Jeffery, K.G.: CERIF - Information retrieval of research information in a distributed heterogeneous environment (2002) 0.02 
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    Abstract
    User demands to have access to complete and actual information about research may require integration of data from different CRISs. CRISs are rarely homogenous systems and problems of CRISs integration must be addressed from technological point of view. Implementation of CRIS providing access to heterogeneous data distributed among a number of CRISs is described. A few technologies - distributed databases, web services, semantic web are used for distributed CRIS to address different user requirements. Distributed databases serve to implement very efficient integration of homogenous systems, web services - to provide open access to research information, semantic web - to solve problems of integration semantically and structurally heterogeneous data sources and provide intelligent data retrieval interfaces. The problems of data completeness in distributed systems are addressed and CRIS-adequate solution for data completeness is suggested.
    Source
    Gaining insight from research information (CRIS2002): Proceedings of the 6th International Conference an Current Research Information Systems, University of Kassel, August 29 - 31, 2002. Eds: W. Adamczak u. A. Nase
    Type
    a
  8. Dempsey, L.; Russell, R.; Kirriemur, J.W.: Towards distributed library systems : Z39.50 in a European context (1996) 0.02 
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    Abstract
    Z39.50 is an information retrieval protocol. It has generated much interest but is so far little deployed in UK systems and services. Gives a functional overview of the protocol itself and the standards background, describes some European initiatives which make use of it, and outlines various issues to do with its future use and acceptance. Z39.50 is a crucial building block of future distributed information systems but it needs to be considered alongside other protocols and services to provide useful applications
    Date
    3. 3.1999 17:29:59
    Source
    Program. 30(1996) no.1, S.1-22
    Type
    a
  9. Meiert, M.: Elektronische Publikationen an Hochschulen : Modellierung des elektronischen Publikationsprozesses am Beispiel der Universität Hildesheim (2006) 0.02 
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    Date
    1. 9.2006 13:22:15
    Source
    Effektive Information Retrieval Verfahren in Theorie und Praxis: ausgewählte und erweiterte Beiträge des Vierten Hildesheimer Evaluierungs- und Retrievalworkshop (HIER 2005), Hildesheim, 20.7.2005. Hrsg.: T. Mandl u. C. Womser-Hacker
    Type
    a
  10. Subject retrieval in a networked environment : Proceedings of the IFLA Satellite Meeting held in Dublin, OH, 14-16 August 2001 and sponsored by the IFLA Classification and Indexing Section, the IFLA Information Technology Section and OCLC (2003) 0.02 
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    Content
    Enthält die Beiträge: Devadason, F.J., N. Intaraksa u. P. Patamawongjariya u.a.: Faceted indexing application for organizing and accessing internet resources; Nicholson, D., S. Wake: HILT: subject retrieval in a distributed environment; Olson, T.: Integrating LCSH and MeSH in information systems; Kuhr, P.S.: Putting the world back together: mapping multiple vocabularies into a single thesaurus; Freyre, E., M. Naudi: MACS : subject access across languages and networks; McIlwaine, I.C.: The UDC and the World Wide Web; Garrison, W.A.: The Colorado Digitization Project: subject access issues; Vizine-Goetz, D., R. Thompson: Towards DDC-classified displays of Netfirst search results: subject access issues; Godby, C.J., J. Stuler: The Library of Congress Classification as a knowledge base for automatic subject categorization: subject access issues; O'Neill, E.T., E. Childress u. R. Dean u.a.: FAST: faceted application of subject terminology; Bean, C.A., R. Green: Improving subject retrieval with frame representation; Zeng, M.L., Y. Chen: Features of an integrated thesaurus management and search system for the networked environment; Hudon, M.: Subject access to Web resources in education; Qin, J., J. Chen: A multi-layered, multi-dimensional representation of digital educational resources; Riesthuis, G.J.A.: Information languages and multilingual subject access; Geisselmann, F.: Access methods in a database of e-journals; Beghtol, C.: The Iter Bibliography: International standard subject access to medieval and renaissance materials (400-1700); Slavic, A.: General library classification in learning material metadata: the application in IMS/LOM and CDMES metadata schemas; Cordeiro, M.I.: From library authority control to network authoritative metadata sources; Koch, T., H. Neuroth u. M. Day: Renardus: Cross-browsing European subject gateways via a common classification system (DDC); Olson, H.A., D.B. Ward: Mundane standards, everyday technologies, equitable access; Burke, M.A.: Personal Construct Theory as a research tool in Library and Information Science: case study: development of a user-driven classification of photographs
    Footnote
    Rez. in: KO 31(2004) no.2, S.117-118 (D. Campbell): "This excellent volume offers 22 papers delivered at an IFLA Satellite meeting in Dublin Ohio in 2001. The conference gathered together information and computer scientists to discuss an important and difficult question: in what specific ways can the accumulated skills, theories and traditions of librarianship be mobilized to face the challenges of providing subject access to information in present and future networked information environments? The papers which grapple with this question are organized in a surprisingly deft and coherent way. Many conferences and proceedings have unhappy sessions that contain a hodge-podge of papers that didn't quite fit any other categories. As befits a good classificationist, editor I.C. McIlwaine has kept this problem to a minimum. The papers are organized into eight sessions, which split into two broad categories. The first five sessions deal with subject domains, and the last three deal with subject access tools. The five sessions and thirteen papers that discuss access in different domains appear in order of in creasing intension. The first papers deal with access in multilingual environments, followed by papers an access across multiple vocabularies and across sectors, ending up with studies of domain-specific retrieval (primarily education). Some of the papers offer predictably strong work by scholars engaged in ongoing, long-term research. Gerard Riesthuis offers a clear analysis of the complexities of negotiating non-identical thesauri, particularly in cases where hierarchical structure varies across different languages. Hope Olson and Dennis Ward use Olson's familiar and welcome method of using provocative and unconventional theory to generate meliorative approaches to blas in general subject access schemes. Many papers, an the other hand, deal with specific ongoing projects: Renardus, The High Level Thesaurus Project, The Colorado Digitization Project and The Iter Bibliography for medieval and Renaissance material. Most of these papers display a similar structure: an explanation of the theory and purpose of the project, an account of problems encountered in the implementation, and a discussion of the results, both promising and disappointing, thus far. Of these papers, the account of the Multilanguage Access to Subjects Project in Europe (MACS) deserves special mention. In describing how the project is founded an the principle of the equality of languages, with each subject heading language maintained in its own database, and with no single language used as a pivot for the others, Elisabeth Freyre and Max Naudi offer a particularly vivid example of the way the ethics of librarianship translate into pragmatic contexts and concrete procedures. The three sessions and nine papers devoted to subject access tools split into two kinds: papers that discuss the use of theory and research to generate new tools for a networked environment, and those that discuss the transformation of traditional subject access tools in this environment. In the new tool development area, Mary Burke provides a promising example of the bidirectional approach that is so often necessary: in her case study of user-driven classification of photographs, she user personal construct theory to clarify the practice of classification, while at the same time using practice to test the theory. Carol Bean and Rebecca Green offer an intriguing combination of librarianship and computer science, importing frame representation technique from artificial intelligence to standardize syntagmatic relationships to enhance recall and precision.
    The papers discussing the transformation of traditional tools locate the point of transformation in different places. Some, like the papers an DDC, LCC and UDC, suggest that these schemes can be imported into the networked environment and used as a basis for improving access to networked resources, just as they improve access to physical resources. While many of these papers are intriguing, I suspect that convincing those outside the profession will be difficult. In particular, Edward O'Neill and his colleagues, while offering a fascinating suggestion for preserving the Library of Congress Subject Headings and their associated infrastructure by converting them into a faceted scheme, will have an uphill battle convincing the unconverted that LCSH has a place in the online networked environment. Two papers deserve mention for taking a different approach: both Francis Devadason and Maria Ines Cordeiro suggest that we import concepts and techniques rather than realized schemes. Devadason argues for the creation of a faceted pre-coordinate indexing scheme for Internet resources based an Deep Structure indexing, which originates in Bhattacharyya's Postulate-Based Permuted Subject Indexing and in Ranganathan's chain indexing techniques. Cordeiro takes up the vitally important role of authority control in Web environments, suggesting that the techniques of authority control be expanded to enhance user flexibility. By focusing her argument an the concepts rather than an the existing tools, and by making useful and important distinctions between library and non-library uses of authority control, Cordeiro suggests that librarianship's contribution to networked access has less to do with its tools and infrastructure, and more to do with concepts that need to be boldly reinvented. The excellence of this collection derives in part from the energy, insight and diversity of the papers. Credit also goes to the planning and forethought that went into the conference itself by OCLC, the IFLA Classification and Indexing Section, the IFLA Information Technology Section, and the Program Committee, headed by editor I.C. McIlwaine. This collection avoids many of the problems of conference proceedings, and instead offers the best of such proceedings: detail, diversity, and judicious mixtures of theory and practice. Some of the disadvantages that plague conference proceedings appear here. Busy scholars sometimes interpret the concept of "camera-ready copy" creatively, offering diagrams that could have used some streamlining, and label boxes that cut off the tops or bottoms of letters. The papers are necessarily short, and many of them raise issues that deserve more extensive treatment. The issue of subject access in networked environments is crying out for further synthesis at the conceptual and theoretical level. But no synthesis can afford to ignore the kind of energetic, imaginative and important work that the papers in these proceedings represent."
  11. Rusch, B.: Kooperativer Bibliotheksverbund Berlin-Brandenburg : Erste Erfahrungen im Produktionsbetrieb (2000) 0.02 
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    Source
    Information und Öffentlichkeit: 1. Gemeinsamer Kongress der Bundesvereinigung Deutscher Bibliotheksverbände e.V. (BDB) und der Deutschen Gesellschaft für Informationswissenschaft und Informationspraxis e.V. (DGI), Leipzig, 20.-23.3.2000. Zugleich 90. Deutscher Bibliothekartag, 52. Jahrestagung der Deutschen Gesellschaft für Informationswissenschaft und Informationspraxis e.V. (DGI). Hrsg.: G. Ruppelt u. H. Neißer
    Type
    a
  12. Neuroth, H.; Lepschy, P.: ¬Das EU-Projekt Renardus (2001) 0.02 
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    Abstract
    Der vollständige Projektname von Renardus lautet "Academic Subject Gateway Service Europe". Renardus wird von der Europäischen Union im 5. Rahmenprogramm mit dem Schwerpunktthema "Information Society Technologies" im zweiten Thematischen Programm "Benutzerfreundliche Informationsgesellschaft" ('Promoting a User-friendly Information Society') gefördert. Die Projektlaufzeit ist von Januar 2000 bis Juni 2002. Insgesamt zwölf Partner (Principal und Assistant Contractors) aus Finnland, Dänemark, Schweden, Großbritannien, den Niederlanden, Frankreich und Deutschland beteiligen sich an diesem Projekt. Die Europäische Union unterstützt das Projekt mit 1,7 Mio. EURO, die Gesamtkosten belaufen sich inklusive der Eigenbeteiligungen der Partner auf 2,3 Mio. EURO. Das Ziel des Projektes Renardus ist es, über eine Schnittstelle Zugriff auf verteilte Sammlungen von "High Quality" Internet Ressourcen in Europa zu ermöglichen. Diese Schnittstelle wird über den Renardus Broker realisiert, der das "Cross-Searchen" und "Cross-Browsen" über verteilte "Quality-Controlled Subject Gateways" ermöglicht. Ein weiteres Ziel von Renardus ist es, Möglichkeiten von "metadata sharing" zu evaluieren und in kleinen Experimenten zwischen z. B. Subject Gateways und Nationalbibliothek zu testen bzw. zu realisieren
    Date
    22. 6.2002 19:32:15
    Source
    Bibliotheksdienst. 35(2001) H.1, S.49-63
    Type
    a
  13. Kuberek, M.: ¬Der KOBV - eine regionale Service-Einrichtung für Nutzer und Bibliotheken (2002) 0.01 
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    Bibliotheksdienst. 36(2002) H.4, S.453-463
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  14. Grötschel, M.; Kuberek, M.; Lohrum, S.; Lügger, J.; Rusch, B.: ¬Der Kooperative Bibliotheksverbund Berlin-Brandenburg (1999) 0.01 
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    ABI-Technik. 19(1999) H.4, S.350-367
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  15. Klas, C.-P.; Kriewel, S.; Schaefer, A.; Fischer, G.: ¬Das DAFFODIL System : strategische Literaturrecherche in Digitalen Bibliotheken (2006) 0.01 
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    Source
    Effektive Information Retrieval Verfahren in Theorie und Praxis: ausgewählte und erweiterte Beiträge des Vierten Hildesheimer Evaluierungs- und Retrievalworkshop (HIER 2005), Hildesheim, 20.7.2005. Hrsg.: T. Mandl u. C. Womser-Hacker
    Type
    a
  16. Karl, A.; Mühlschlegel, U.; Ullrich, R.; Deylen, W. von; Farenholtz, B.; Schmolling, R.; Strosetzki, C.; Trapp, M.; Waldeck, B.: cibera: Virtuelle Fachbibliothek Ibero-Amerika / Spanien / Portugal : Teil 2: Die einzelnen Elemente (2006) 0.01 
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    Bibliotheksdienst. 40(2006) H.1, S.27-40
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  17. Kuberek, M. (Red.): Kooperativer Bibliotheksverbund Berlin-Brandenburg (KOBV) : Bibliothekarische Inhalte und Zielsetzungen des KOBV (1998) 0.01 
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    Weitblick: Mitteilungsblatt der Bibliotheken in Berlin und Brandenburg. 4(1998) H.2, S.18-34
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  18. Lügger, J.: Über Suchmaschinen, Verbünde und die Integration von Informationsangeboten : Teil 1: KOBV-Suchmaschine und Math-Net (2000) 0.01 
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    Source
    ABI-Technik. 20(2000) H.2, S.132-156
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  19. Laegreid, J.A.: ¬The Nordic SR-net project : implementation of the SR/Z39.50 standards in the Nordic countries (1994) 0.01 
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    Resource sharing: new technologies as a must for Universal Availability of Information. Proceedings of the 16th International Essen Symposium, 18-21 Oct 1993. Ed.: A.H. Helal u. J.W. Weiss
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  20. Tappenbeck, I.; Wessel, C.: CARMEN : Content Analysis, Retrieval and Metadata: Effective Net-working. Ein Halbzeitbericht (2001) 0.01 
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    Abstract
    Das Projekt CARMEN startete als Sonderfördermaßnahme im Rahmen von Global lnfo im Oktober 1999 mit einer geplanten Laufzeit von 29 Monaten. Der Schwerpunkt des Projekts liegt in der Weiterentwicklung von Konzepten und Verfahren der Dokumenterschließung, die den Zugriff auf heterogene, dezentral verteilte Informationsbestände und deren Verwaltung nach gemeinsamen Prinzipien ermöglichen sollen. Dabei geht CARMEN gezielt einen anderen Weg als die meisten bisherigen Ansätze in diesem Bereich, die versuchen, Homogenität und Konsistenz in einer dezentralen Informationslandschaft technikorientiert herzustellen, indem Verfahren entwickelt werden, durch die physikalisch auf verschiedene Dokumentenräume gleichzeitig zugegriffen werden kann. Eine rein technische Parallelisierung von Zugriffsmöglichkeiten reicht jedoch nicht aus, denn das Hauptproblem der inhaltlichen, strukturellen und konzeptionellen Differenz der einzelnen Datenbestände wird damit nicht gelöst. Um diese Differenzen zu kompensieren, werden Problemlösungen und Weiterentwicklungen innerhalb des Projekts CARMEN in drei Bereichen erarbeitet: (1) Metadaten (Dokumentbeschreibung, Retrieval, Verwaltung, Archivierung) (2) Methoden des Umgangs mit der verbleibenden Heterogenität der Datenbestände (3) Retrieval für strukturierte Dokumente mit Metadaten und heterogenen Datentypen. Diese drei Aufgabenbereiche hängen eng zusammen. Durch die Entwicklungen im Bereich der Metadaten soll einerseits die verlorengegangene Konsistenz partiell wiederhergestellt und auf eine den neuen Medien gerechte Basis gestellt werden. Andererseits sollen durch Verfahren zur Heterogenitätsbehandlung Dokumente mit unterschiedlicher Datenrelevanz und Inhaltserschließung aufeinander bezogen und retrievalseitig durch ein Rechercheverfahren erganzt werden, das den unterschiedlichen Datentypen gerecht wird Innerhalb des Gesamtprojekts CARMEN werden diese Aspekte arbeitsteilig behandelt. Acht Arbeitspakete (APs) befassen sich in Abstimmung miteinander mit je verschiedenen Schwerpunkten. Um die Koordination der Arbeiten der verschiedenen APs untereinander zu unterstützen, trafen sich die ca. 40 Projektbearbeiter am 1. und 2. Februar 2001 zum "CARMEN middle OfTheRoad Workshop" in Bonn. Anlässlich dieses Workshops wurden die inhaltlichen und technischen Ergebnisse, die in der ersten Hälfte der Projektlaufzeit von den einzelnen APs erzielt worden sind, in insgesamt 17 Präsentationen vorgestellt
    Content
    Vgl. auch die korrigierte Fassung in: Bibliotheksdienst 35(2001) H.5, S.566-572.
    Source
    Bibliotheksdienst. 35(2001) H.4, S.447-452
    Type
    a

Authors

Years

Languages

  • e 60
  • d 37
  • f 1
  • More… Less…

Types

  • a 92
  • el 10
  • m 3
  • x 2
  • r 1
  • s 1
  • More… Less…

Themes

Subjects

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