Search (3 results, page 1 of 1)

  • × author_ss:"Croft, W.B."
  • × author_ss:"Belkin, N.J."
  1. Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987) 0.04 
    0.03844805 = product of:
  0.0768961 = sum of:
    0.0768961 = product of:
      0.11534415 = sum of:
        0.016631123 = weight(_text_:e in 334) [ClassicSimilarity], result of:
          0.016631123 = score(doc=334,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.2540935 = fieldWeight in 334, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=334)
        0.098713025 = weight(_text_:22 in 334) [ClassicSimilarity], result of:
          0.098713025 = score(doc=334,freq=2.0), product of:
            0.15946099 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04553648 = 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)
      0.6666667 = coord(2/3)
  0.5 = coord(1/2)
    Language
    e
    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 
    0.0020788903 = product of:
  0.0041577807 = sum of:
    0.0041577807 = product of:
      0.012473342 = sum of:
        0.012473342 = weight(_text_:e in 6093) [ClassicSimilarity], result of:
          0.012473342 = score(doc=6093,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.19057012 = fieldWeight in 6093, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.09375 = fieldNorm(doc=6093)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e
  3. Murdock, V.; Kelly, D.; Croft, W.B.; Belkin, N.J.; Yuan, X.: Identifying and improving retrieval for procedural questions (2007) 0.00 
    0.0010394452 = product of:
  0.0020788903 = sum of:
    0.0020788903 = product of:
      0.006236671 = sum of:
        0.006236671 = weight(_text_:e in 902) [ClassicSimilarity], result of:
          0.006236671 = score(doc=902,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.09528506 = fieldWeight in 902, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.046875 = fieldNorm(doc=902)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e

Authors

Years