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  • × author_ss:"DeVere, R."
  • × theme_ss:"OPAC"
  • × type_ss:"r"
  1. Walker, S.; DeVere, R.: Improving subject retrieval in online catalogues : T.2: Relevance feedback and query expansion (1990) 0.01
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    Theme
    Semantisches Umfeld in Indexierung u. Retrieval