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Zimmermann, H.: Conception and application possibilities of classification concordances in an OPAC environment (1996)
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Chen, H.: Semantic research for digital libraries (1999)
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Chaplan, M.A.: Mapping Laborline Thesaurus terms to Library of Congress Subject Headings : implications for vocabulary switching (1995)
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Miller, E.; Schloss. B.; Lassila, O.; Swick, R.R.: Resource Description Framework (RDF) : model and syntax (1997)
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