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Wätjen, H.-J.; Diekmann, B.; Möller, G.; Carstensen, K.-U.: Bericht zum DFG-Projekt: GERHARD : German Harvest Automated Retrieval and Directory (1998)
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Wätjen, H.-J.: Automatisches Sammeln, Klassifizieren und Indexieren von wissenschaftlich relevanten Informationsressourcen im deutschen World Wide Web : das DFG-Projekt GERHARD (1998)
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Hennecke, J.: Workshop DDC and Knowledge Organization in the Digital Library (2000)
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Wätjen, H.-J.: GERHARD : Automatisches Sammeln, Klassifizieren und Indexieren von wissenschaftlich relevanten Informationsressourcen im deutschen World Wide Web (1998)
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Kent, R.E.: Organizing conceptual knowledge online : metadata interoperability and faceted classification (1998)
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Dumais, S.; Chen, H.: Hierarchical classification of Web content (2000)
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Ardo, A.; Lundberg, S.: ¬A regional distributed WWW search and indexing service : the DESIRE way (1998)
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Koch, T.: Nutzung von Klassifikationssystemen zur verbesserten Beschreibung, Organisation und Suche von Internetressourcen (1998)
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Saeed, H.; Chaudry, A.S.: Potential of bibliographic tools to organize knowledge on the Internet : the use of Dewey Decimal classification scheme for organizing Web-based information resources (2001)
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Bambey, D.: Thesauri und Klassifikationen im Netz : Neue Herausforderungen für klassische Werkzeuge (2000)
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Broughton, V.; Lane, H.: Classification schemes revisited : applications to Web indexing and searching (2000)
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