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Fang, L.: ¬A developing search service : heterogeneous resources integration and retrieval system (2004)
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Jarvelin, K.: ¬A deductive data model for thesaurus navigation and query expansion (1996)
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Summann, F.; Lossau, N.: Search engine technology and digital libraries : moving from theory to practice (2004)
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Isaac, A.; Wang, S.; Zinn, C.; Matthezing, H.; Meij, L. van der; Schlobach, S.: Evaluating thesaurus alignments for semantic interoperability in the library domain (2009)
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Latham, S.J.: Open systems and libraries : an overview (1993)
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