Search (1 results, page 1 of 1)

  • × author_ss:"Efthimiadis, E.N."
  • × theme_ss:"Retrievalalgorithmen"
  • × theme_ss:"Semantisches Umfeld in Indexierung u. Retrieval"
  • × year_i:[1990 TO 2000}
  1. Efthimiadis, E.N.: User choices : a new yardstick for the evaluation of ranking algorithms for interactive query expansion (1995) 0.00
    0.0016375937 = product of:
      0.024563905 = sum of:
        0.024563905 = sum of:
          0.0049332716 = weight(_text_:information in 5697) [ClassicSimilarity], result of:
            0.0049332716 = score(doc=5697,freq=2.0), product of:
              0.050870337 = queryWeight, product of:
                1.7554779 = idf(docFreq=20772, maxDocs=44218)
                0.028978055 = queryNorm
              0.09697737 = fieldWeight in 5697, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                1.7554779 = idf(docFreq=20772, maxDocs=44218)
                0.0390625 = fieldNorm(doc=5697)
          0.019630633 = weight(_text_:22 in 5697) [ClassicSimilarity], result of:
            0.019630633 = score(doc=5697,freq=2.0), product of:
              0.101476215 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.028978055 = queryNorm
              0.19345059 = fieldWeight in 5697, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.0390625 = fieldNorm(doc=5697)
      0.06666667 = coord(1/15)
    
    Date
    22. 2.1996 13:14:10
    Source
    Information processing and management. 31(1995) no.4, S.605-620