Search (2 results, page 1 of 1)

  • × author_ss:"Callan, J."
  • × 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. 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

Authors

Years