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Chen, H.; Martinez, J.; Kirchhoff, A.; Ng, T.D.; Schatz, B.R.: Alleviating search uncertainty through concept associations : automatic indexing, co-occurence analysis, and parallel computing (1998)
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DeFrance, J.: Computer communications (1997)
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Smith, M.P.; Pollitt, A.S.: Ranking and relevance feedback extensions to a view-based searching system (1995)
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Richards, D.: INSPEC Ondisc : design consideration (1991)
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Loosjes, T.P.; Tichelaar, P.A.; Goossens, J.; Stuurman, P.: Ontsluiting op onderwerp (1977)
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