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  • × author_ss:"Raghavan, V.V."
  • × author_ss:"Bollmann, P."
  • × year_i:[1980 TO 1990}
  1. Raghavan, V.V.; Jung, G.S.; Bollmann, P.: ¬A critical investigation of recall and precision as measures of retrieval system performance (1989) 1.00 
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