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  • × theme_ss:"Retrievalalgorithmen"
  1. Robertson, S.E.: OKAPI at TREC-1 (1994) 8.66 
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  2. Hancock-Beaulieu, M.; Walker, S.: ¬An evaluation of automatic query expansion in an online library catalogue (1992) 8.66 
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  3. Robertson, S.E.: OKAPI at TREC-3 (1995) 8.66 
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