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Amir, A.; Feldman, R.; Kashi, R.: ¬A new and versatile method for association generation (1997)
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Fujiwara, Y.: ¬The model for self-structured semantic relationships of information and its advanced utilization (1994)
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Iyer, H.: Classificatory structures : concepts, relations and representations (1994)
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Schuegraf, E.J.; Bommel, M.F.van: ¬An automatic document indexing system based on cooperating expert systems : design and development (1993)
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