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  • × theme_ss:"Information Gateway"
  1. Zeitz, G.: Wissenschaftliche Informationen per Mausklick : Bibliotheken und Forschungsinstitute eröffnen fächerübergreifendes Internetportal - Hessische Einrichtungen sind beteiligt (2003) 0.01 
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    Date
    17. 7.1996 9:33:22
  2. Borgman, C.L.; Smart, L.J.; Millwood, K.A.; Finley, J.R.; Champeny, L.; Gilliland, A.J.; Leazer, G.H.: Comparing faculty information seeking in teaching and research : implications for the design of digital libraries (2005) 0.01 
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    Date
    3. 6.2005 20:40:22
  3. Academic LinkShare : Metadata Sharing - kooperative Erschließung von Internetquellen (2006) 0.01 
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    Abstract
    Nach mehr als 4 Jahren Erfahrung in der kooperativen Erschließung von Internetquellen öffnet sich der Verbund Academic LinkShare für neue Partner aus den Geistes-, Regional- und Sozialwissenschaften. Academic LinkShare ist ein Netzwerk wissenschaftlicher Bibliotheken. Gemeinsam bauen sie einen interdisziplinären Datenpool fachlich relevanter Internetquellen auf, aus dem sich alle Partner gleichberechtigt bedienen können. Nach mehr als vier Jahren gemeinsamer Entwicklungs- und Erschließungsarbeit lässt sich der Erfolg des Modells heute quantifizieren. Seit der Aufnahme des ersten Datensatzes Mitte 2001 sind weit mehr als 20.000 Quellen aus dem politik-, rechts-, wirtschafts- und sozialwissenschaftlichen Umfeld dazugekommen. Sie werden präsentiert in den Fachinformationsführern (qualifizierten Linksammlungen) von ViFaPol (Politikwissenschaft - http://www.vifapol.de), EconBiz (Wirtschaftswissenschaften - http://www.econbiz.de) und ViFa Recht (Rechtswissenschaft - http://www.vifa-recht.de). Jüngstes Mitglied des Verbundes sind die Europäischen Dokumentationszentren mit ihrem Rechercheportal ArchiDok (http://archidok.uni-mannheim.de). Die Einsparpotentiale liegen vor allem im hohen Überschneidungsgrad der Quellen, der - ohne Volltexte - bei ca. 30% liegt. Die Schaffung einer gemeinsamen technischen Infrastruktur allein begründet noch nicht den Erfolg des Modells. Viel schwieriger als die Entwicklung eines Erfassungssystems ist der Aufbau eines funktionierenden Netzwerks wissenschaftlicher Einrichtungen und Bibliotheken, das sich nachhaltig für den Aufbau des Datenpools verantwortlich zeichnet. Vor dem Hintergrund überaus knapper Zeitressourcen hat Academic LinkShare technische und organisatorische Lösungen entwickelt, die den Voraussetzungen der Kooperationspartner gerecht werden. Dieses Win-Win-Prinzip zahlt sich aus. Neben den fünf Verbundpartnern von Academic LinkShare beteiligen sich heute mehr als 40 wissenschaftliche Einrichtungen an der Erschließung der Quellen. Das Interesse an dem Modell des Metadata Sharing ist beachtlich - der Kreis der Mitwirkenden wächst kontinuierlich an. Academic LinkShare bietet Interessenten aus dem sozial-, geistes- und regionalwissenschaftlichen Umfeld die Möglichkeit, dem Verbund beizutreten, und unterstützt sie dabei auf der Basis der vorhandenen technischen Lösungen beim Aufbau und Betrieb einer eigenen Virtuellen Fachbibliothek. Für Rückfragen steht Ihnen zur Verfügung: Tobias Buck, Staats- und Universitätsbibliothek Hamburg, buck@sub.uni-hamburg.de, [040] 4 28 38-22 24
  4. Getlnfo: Wissensportal für Naturwissenschaften und Technik (2007) 0.01 
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    Date
    3. 8.2007 15:22:20
  5. Woldering, B.: ¬Die Europäische Digitale Bibliothek nimmt Gestalt an (2007) 0.01 
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    Date
    22. 2.2009 19:10:56
  6. Johnen, R.: Europas kulturelles Gedächtnis jetzt online : Die Europäische Union präsentiert Gutenbergs Bibel ebenso wie Mozarts Noten (2008) 0.01 
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    Date
    22. 2.2009 19:11:10
  7. Tudhope, D.; Binding, C.; Blocks, D.; Cunliffe, D.: FACET: thesaurus retrieval with semantic term expansion (2002) 0.01 
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    Abstract
    There are many advantages for Digital Libraries in indexing with classifications or thesauri, but some current disincentive in the lack of flexible retrieval tools that deal with compound descriptors. This demonstration of a research prototype illustrates a matching function for compound descriptors, or multi-concept subject headings, that does not rely on exact matching but incorporates term expansion via thesaurus semantic relationships to produce ranked results that take account of missing and partially matching terms. The matching function is based on a measure of semantic closeness between terms.The work is part of the EPSRC funded FACET project in collaboration with the UK National Museum of Science and Industry (NMSI) which includes the National Railway Museum. An export of NMSI's Collections Database is used as the dataset for the research. The J. Paul Getty Trust's Art and Architecture Thesaurus (AAT) is the main thesaurus in the project. The AAT is a widely used thesaurus (over 120,000 terms). Descriptors are organised in 7 facets representing separate conceptual classes of terms.The FACET application is a multi tiered architecture accessing a SQL Server database, with an OLE DB connection. The thesauri are stored as relational tables in the Server's database. However, a key component of the system is a parallel representation of the underlying semantic network as an in-memory structure of thesaurus concepts (corresponding to preferred terms). The structure models the hierarchical and associative interrelationships of thesaurus concepts via weighted poly-hierarchical links. Its primary purpose is real-time semantic expansion of query terms, achieved by a spreading activation semantic closeness algorithm. Queries with associated results are stored persistently using XML format data. A Visual Basic interface combines a thesaurus browser and an initial term search facility that takes into account equivalence relationships. Terms are dragged to a direct manipulation Query Builder which maintains the facet structure.
  8. Birmingham, W.; Pardo, B.; Meek, C.; Shifrin, J.: ¬The MusArt music-retrieval system (2002) 0.01 
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  9. Park, J.-r.; Li, G.; Burger, A.: Opening and closing rituals of the virtual reference service of the Internet Public Library (2010) 0.01 
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  10. "Europeana", die digitale Bibliothek Europas, ist online (2009) 0.00 
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    Date
    22. 2.2009 19:08:56

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