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Leigh, W.; Paz, N.: Conventional and knowledge-based information retrieval with Prolog (1988)
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Manecke, H.-J.; Langbein, D.: Knowledge-based information systems in research and development as a basis for integrated information systems (1992)
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Karamuftuoglu, M.: Information retrieval and the perpetual innovation economy (1999)
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Björklund, L.; Kristiansson, G.: Problems of knowledge organisation in an archival environment - KAM (1990)
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Hofferer, M.: Heuristic search in information retrieval (1994)
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