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  • × theme_ss:"Retrievalalgorithmen"
  • × author_ss:"Chang, C.-H."
  • × year_i:[1990 TO 2000}
  1. Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998) 1.00 
    1.0 = *:*, product of:
  1.0 = boost
  1.0 = queryNorm