Search (2 results, page 1 of 1)

  • × author_ss:"Belkin, N.J."
  • × language_ss:"e"
  • × year_i:[1980 TO 1990}
  1. Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987) 0.03
    0.027294526 = product of:
      0.05458905 = sum of:
        0.05458905 = product of:
          0.1091781 = sum of:
            0.1091781 = weight(_text_:22 in 334) [ClassicSimilarity], result of:
              0.1091781 = score(doc=334,freq=2.0), product of:
                0.17636627 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.050364036 = 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)
      0.5 = coord(1/2)
    
    Source
    Annual review of information science and technology. 22(1987), S.109-145
  2. Belkin, N.J.: ¬The problem of 'matching' in information retrieval (1980) 0.03
    0.026372125 = product of:
      0.05274425 = sum of:
        0.05274425 = product of:
          0.1054885 = sum of:
            0.1054885 = weight(_text_:l in 1329) [ClassicSimilarity], result of:
              0.1054885 = score(doc=1329,freq=2.0), product of:
                0.20017955 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.050364036 = queryNorm
                0.52696943 = fieldWeight in 1329, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1329)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Theory and application of information research. Proc. of the 2nd Int. Research Forum on Information Science, 3.-6.8.1977, Copenhagen. Ed.: O. Harbo u. L. Kajberg