Search (3 results, page 1 of 1)

  • × author_ss:"Belkin, N.J."
  • × author_ss:"Croft, W.B."
  1. Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987) 0.06 
    0.06305049 = product of:
  0.12610099 = sum of:
    0.12610099 = sum of:
      0.011086896 = weight(_text_:s in 334) [ClassicSimilarity], result of:
        0.011086896 = score(doc=334,freq=2.0), product of:
          0.057684682 = queryWeight, product of:
            1.0872376 = idf(docFreq=40523, maxDocs=44218)
            0.053056188 = queryNorm
          0.19219826 = fieldWeight in 334, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            1.0872376 = idf(docFreq=40523, maxDocs=44218)
            0.125 = fieldNorm(doc=334)
      0.11501409 = weight(_text_:22 in 334) [ClassicSimilarity], result of:
        0.11501409 = score(doc=334,freq=2.0), product of:
          0.18579373 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.053056188 = 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)
    Source
    Annual review of information science and technology. 22(1987), S.109-145
  2. Belkin, N.J.; Croft, W.B.: Information filtering and information retrieval : two sides of the same coin? (1992) 0.00 
    0.0020787928 = product of:
  0.0041575856 = sum of:
    0.0041575856 = product of:
      0.008315171 = sum of:
        0.008315171 = weight(_text_:s in 6093) [ClassicSimilarity], result of:
          0.008315171 = score(doc=6093,freq=2.0), product of:
            0.057684682 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.053056188 = queryNorm
            0.14414869 = fieldWeight in 6093, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.09375 = fieldNorm(doc=6093)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Communications of the Association for Computing Machinery. 35(1992) no.12, S.29-38
  3. Murdock, V.; Kelly, D.; Croft, W.B.; Belkin, N.J.; Yuan, X.: Identifying and improving retrieval for procedural questions (2007) 0.00 
    0.0010393964 = product of:
  0.0020787928 = sum of:
    0.0020787928 = product of:
      0.0041575856 = sum of:
        0.0041575856 = weight(_text_:s in 902) [ClassicSimilarity], result of:
          0.0041575856 = score(doc=902,freq=2.0), product of:
            0.057684682 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.053056188 = queryNorm
            0.072074346 = fieldWeight in 902, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=902)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Information processing and management. 43(2007) no.1, S.181-203

Authors

Years