Search (1 results, page 1 of 1)

  • × author_ss:"Belkin, N.J."
  • × author_ss:"Croft, W.B."
  • × type_ss:"a"
  • × year_i:[1980 TO 1990}
  1. Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987) 0.05
    0.054669764 = product of:
      0.1366744 = sum of:
        0.010897844 = weight(_text_:a in 334) [ClassicSimilarity], result of:
          0.010897844 = score(doc=334,freq=2.0), product of:
            0.053464882 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.046368346 = queryNorm
            0.20383182 = fieldWeight in 334, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.125 = fieldNorm(doc=334)
        0.12577656 = sum of:
          0.025260232 = weight(_text_:information in 334) [ClassicSimilarity], result of:
            0.025260232 = score(doc=334,freq=2.0), product of:
              0.08139861 = queryWeight, product of:
                1.7554779 = idf(docFreq=20772, maxDocs=44218)
                0.046368346 = queryNorm
              0.3103276 = fieldWeight in 334, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                1.7554779 = idf(docFreq=20772, maxDocs=44218)
                0.125 = fieldNorm(doc=334)
          0.100516334 = weight(_text_:22 in 334) [ClassicSimilarity], result of:
            0.100516334 = score(doc=334,freq=2.0), product of:
              0.16237405 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.046368346 = queryNorm
              0.61904186 = fieldWeight in 334, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.125 = fieldNorm(doc=334)
      0.4 = coord(2/5)
    
    Source
    Annual review of information science and technology. 22(1987), S.109-145
    Type
    a