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Chowdhury, G.G.: Natural language processing and information retrieval : pt.1: basic issues; pt.2: major applications (1991)
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Rubashkin, V.S.; Lakhuti, D.G.: Semanticheskii (kontseptual'nyi) slovar' dlya informatsionnykh tekhnologii, ch.1 (1998)
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Scheir, P.; Pammer, V.; Lindstaedt, S.N.: Information retrieval on the Semantic Web : does it exist? (2007)
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Litkowski, K.C.: Category development based on semantic principles (1997)
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Rahmstorf, G.: Information retrieval using conceptual representations of phrases (1994)
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