Search (3 results, page 1 of 1)

  • × year_i:[1980 TO 1990}
  • × author_ss:"Belkin, N.J."
  1. Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987) 0.01
    0.010194313 = product of:
      0.04077725 = sum of:
        0.04077725 = product of:
          0.0815545 = sum of:
            0.0815545 = weight(_text_:22 in 334) [ClassicSimilarity], result of:
              0.0815545 = score(doc=334,freq=2.0), product of:
                0.13174312 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.037621226 = 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)
          0.5 = coord(1/2)
      0.25 = coord(1/4)
    
    Source
    Annual review of information science and technology. 22(1987), S.109-145
  2. Belkin, N.J.: Ineffable concepts in information retrieval (1981) 0.01
    0.007062511 = product of:
      0.028250044 = sum of:
        0.028250044 = product of:
          0.08475013 = sum of:
            0.08475013 = weight(_text_:k in 3148) [ClassicSimilarity], result of:
              0.08475013 = score(doc=3148,freq=2.0), product of:
                0.13429943 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.037621226 = queryNorm
                0.63105357 = fieldWeight in 3148, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3148)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  3. Daniels, P.J.; Brooks, H.M.; Belkin, N.J.: Using problem structures for driving human-computer dialogues (1985) 0.00
    0.0044140695 = product of:
      0.017656278 = sum of:
        0.017656278 = product of:
          0.05296883 = sum of:
            0.05296883 = weight(_text_:k in 1929) [ClassicSimilarity], result of:
              0.05296883 = score(doc=1929,freq=2.0), product of:
                0.13429943 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.037621226 = queryNorm
                0.39440846 = fieldWeight in 1929, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.078125 = fieldNorm(doc=1929)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.135-142.