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  • × author_ss:"Frei, H.P."
  1. Frei, H.P.; Meienberg, S.; Schäuble, P.: ¬The perils of interpreting recall and precision values (1991) 5.50 
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  2. Frei, H.P.; Schäuble, P.: Determining the effectiveness of retrieval algorithms (1991) 5.50 
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