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Smeaton, A.F.: Prospects for intelligent, language-based information retrieval (1991)
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Pejtersen, A.M.: ¬A new approach to design of document retrieval and indexing systems for OPAC users (1993)
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Buckland, M.K.: Information retrieval of more than text (1991)
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Colace, F.; Santo, M. de; Greco, L.; Napoletano, P.: Improving relevance feedback-based query expansion by the use of a weighted word pairs approach (2015)
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Salton, G.; Buckley, C.: Approaches to global text analysis (1990)
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