Search (4 results, page 1 of 1)

  • × author_ss:"Croft, W.B."
  • × theme_ss:"Retrievalstudien"
  1. Allan, J.; Croft, W.B.; Callan, J.: ¬The University of Massachusetts and a dozen TRECs (2005) 0.02
    0.018830704 = product of:
      0.028246054 = sum of:
        0.006291794 = weight(_text_:s in 5086) [ClassicSimilarity], result of:
          0.006291794 = score(doc=5086,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.14414869 = fieldWeight in 5086, 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=5086)
        0.02195426 = product of:
          0.06586278 = sum of:
            0.06586278 = weight(_text_:29 in 5086) [ClassicSimilarity], result of:
              0.06586278 = score(doc=5086,freq=2.0), product of:
                0.14122012 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.04014573 = queryNorm
                0.46638384 = fieldWeight in 5086, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.09375 = fieldNorm(doc=5086)
          0.33333334 = coord(1/3)
      0.6666667 = coord(2/3)
    
    Date
    29. 3.1996 18:16:49
    Pages
    S.261-286
  2. Allan, J.; Callan, J.P.; Croft, W.B.; Ballesteros, L.; Broglio, J.; Xu, J.; Shu, H.: INQUERY at TREC-5 (1997) 0.02
    0.015582535 = product of:
      0.023373803 = sum of:
        0.005243162 = weight(_text_:s in 3103) [ClassicSimilarity], result of:
          0.005243162 = score(doc=3103,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.120123915 = fieldWeight in 3103, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.078125 = fieldNorm(doc=3103)
        0.018130641 = product of:
          0.05439192 = sum of:
            0.05439192 = weight(_text_:22 in 3103) [ClassicSimilarity], result of:
              0.05439192 = score(doc=3103,freq=2.0), product of:
                0.1405835 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04014573 = queryNorm
                0.38690117 = fieldWeight in 3103, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3103)
          0.33333334 = coord(1/3)
      0.6666667 = coord(2/3)
    
    Date
    27. 2.1999 20:55:22
    Pages
    S.191-197
  3. Callan, J.; Croft, W.B.; Broglio, J.: TREC and TIPSTER experiments with INQUERY (1995) 0.00
    0.0024716503 = product of:
      0.0074149505 = sum of:
        0.0074149505 = weight(_text_:s in 1944) [ClassicSimilarity], result of:
          0.0074149505 = score(doc=1944,freq=4.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.16988087 = fieldWeight in 1944, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.078125 = fieldNorm(doc=1944)
      0.33333334 = coord(1/3)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.436-439.
    Source
    Information processing and management. 31(1995) no.3, S.327-343
  4. Croft, W.B.; Thompson, R.H.: Support for browsing in an intelligent text retrieval system (1989) 0.00
    0.0024468089 = product of:
      0.0073404266 = sum of:
        0.0073404266 = weight(_text_:s in 5004) [ClassicSimilarity], result of:
          0.0073404266 = score(doc=5004,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.16817348 = fieldWeight in 5004, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.109375 = fieldNorm(doc=5004)
      0.33333334 = coord(1/3)
    
    Source
    International journal of man-machine studies. 30(1989), S.639-668