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  • × language_ss:"e"
  • × theme_ss:"OPAC"
  • × theme_ss:"Retrievalalgorithmen"
  1. Hancock-Beaulieu, M.; Walker, S.: ¬An evaluation of automatic query expansion in an online library catalogue (1992) 0.01
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    Source
    Journal of documentation. 48(1992) no.4, S.406-421
  2. Khoo, C.S.G.; Wan, K.-W.: ¬A simple relevancy-ranking strategy for an interface to Boolean OPACs (2004) 0.01
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    Source
    Electronic library. 22(2004) no.2, S.112-120