Search (1 results, page 1 of 1)

  • × theme_ss:"Benutzerstudien"
  • × theme_ss:"Retrievalalgorithmen"
  1. Shiri, A.A.; Revie, C.: Query expansion behavior within a thesaurus-enhanced search environment : a user-centered evaluation (2006) 0.00
    0.0016375937 = product of:
      0.024563905 = sum of:
        0.024563905 = sum of:
          0.0049332716 = weight(_text_:information in 56) [ClassicSimilarity], result of:
            0.0049332716 = score(doc=56,freq=2.0), product of:
              0.050870337 = queryWeight, product of:
                1.7554779 = idf(docFreq=20772, maxDocs=44218)
                0.028978055 = queryNorm
              0.09697737 = fieldWeight in 56, 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=56)
          0.019630633 = weight(_text_:22 in 56) [ClassicSimilarity], result of:
            0.019630633 = score(doc=56,freq=2.0), product of:
              0.101476215 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.028978055 = queryNorm
              0.19345059 = fieldWeight in 56, 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=56)
      0.06666667 = coord(1/15)
    
    Date
    22. 7.2006 16:32:43
    Source
    Journal of the American Society for Information Science and Technology. 57(2006) no.4, S.462-478