Search (6 results, page 1 of 1)

  • × author_ss:"Belkin, N.J."
  • × year_i:[1980 TO 1990}
  1. Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987) 0.03 
    0.02533477 = product of:
  0.06333692 = sum of:
    0.018058153 = weight(_text_:of in 334) [ClassicSimilarity], result of:
      0.018058153 = score(doc=334,freq=2.0), product of:
        0.06532493 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.04177434 = queryNorm
        0.27643585 = fieldWeight in 334, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.125 = fieldNorm(doc=334)
    0.045278773 = product of:
      0.090557545 = sum of:
        0.090557545 = weight(_text_:22 in 334) [ClassicSimilarity], result of:
          0.090557545 = score(doc=334,freq=2.0), product of:
            0.14628662 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04177434 = 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)
  0.4 = coord(2/5)
    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) 0.02 
    0.017365737 = product of:
  0.04341434 = sum of:
    0.019956108 = product of:
      0.09978054 = sum of:
        0.09978054 = weight(_text_:problem in 1329) [ClassicSimilarity], result of:
          0.09978054 = score(doc=1329,freq=2.0), product of:
            0.17731056 = queryWeight, product of:
              4.244485 = idf(docFreq=1723, maxDocs=44218)
              0.04177434 = queryNorm
            0.5627445 = fieldWeight in 1329, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.244485 = idf(docFreq=1723, maxDocs=44218)
              0.09375 = fieldNorm(doc=1329)
      0.2 = coord(1/5)
    0.02345823 = weight(_text_:of in 1329) [ClassicSimilarity], result of:
      0.02345823 = score(doc=1329,freq=6.0), product of:
        0.06532493 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.04177434 = queryNorm
        0.3591007 = fieldWeight in 1329, product of:
          2.4494898 = tf(freq=6.0), with freq of:
            6.0 = termFreq=6.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.09375 = fieldNorm(doc=1329)
  0.4 = coord(2/5)
    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
  3. Belkin, N.J.: Anomalous states of knowledge as a basis for information retrieval (1980) 0.01 
    0.005107617 = product of:
  0.025538085 = sum of:
    0.025538085 = weight(_text_:of in 2711) [ClassicSimilarity], result of:
      0.025538085 = score(doc=2711,freq=4.0), product of:
        0.06532493 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.04177434 = queryNorm
        0.39093933 = fieldWeight in 2711, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.125 = fieldNorm(doc=2711)
  0.2 = coord(1/5)
    Source
    The Canadian journal of information science. 5(1980), S.133-143
  4. Belkin, N.J.; Oddy, R.N.; Brooks, H.M.: Ask for information retrieval : Pt.1: Background and theory; Pt.2: Results of a study (1982) 0.00 
    0.004469165 = product of:
  0.022345824 = sum of:
    0.022345824 = weight(_text_:of in 2590) [ClassicSimilarity], result of:
      0.022345824 = score(doc=2590,freq=4.0), product of:
        0.06532493 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.04177434 = queryNorm
        0.34207192 = fieldWeight in 2590, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.109375 = fieldNorm(doc=2590)
  0.2 = coord(1/5)
    Source
    Journal of documentation. 38(1982), S.61-71 (Pt.1); S.145-191 (Pt.2)
  5. Daniels, P.J.; Brooks, H.M.; Belkin, N.J.: Using problem structures for driving human-computer dialogues (1985) 0.00 
    0.0033260179 = product of:
  0.016630089 = sum of:
    0.016630089 = product of:
      0.08315045 = sum of:
        0.08315045 = weight(_text_:problem in 1929) [ClassicSimilarity], result of:
          0.08315045 = score(doc=1929,freq=2.0), product of:
            0.17731056 = queryWeight, product of:
              4.244485 = idf(docFreq=1723, maxDocs=44218)
              0.04177434 = queryNorm
            0.46895373 = fieldWeight in 1929, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.244485 = idf(docFreq=1723, maxDocs=44218)
              0.078125 = fieldNorm(doc=1929)
      0.2 = coord(1/5)
  0.2 = coord(1/5)
  6. Belkin, N.J.; Vickery, A.: Interaction in information systems : a review of research from document retrieval to knowledge-based systems (1985) 0.00 
    0.0031601768 = product of:
  0.015800884 = sum of:
    0.015800884 = weight(_text_:of in 3295) [ClassicSimilarity], result of:
      0.015800884 = score(doc=3295,freq=2.0), product of:
        0.06532493 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.04177434 = queryNorm
        0.24188137 = fieldWeight in 3295, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.109375 = fieldNorm(doc=3295)
  0.2 = coord(1/5)

Authors

Types

Themes