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Osigwe, C.C.: ¬The effect of semantic and syntactic relationships in the choice of descriptor elements for precision in document indexing and information retrieval (1992)
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Oliver, R.: Interactive information systems : information access and retrieval (1995)
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Tereshchenko, S.S.: Struktury dannykh v avtomatizirrovannykh informatsionnykh sistemakh (1997)
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Buckland, M.; Plaunt, C.: On the construction of selection systems (1994)
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Chowdhury, G.G.: Natural language processing (2002)
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