Search (4 results, page 1 of 1)

  • × author_ss:"Croft, W.B."
  • × theme_ss:"Retrievalstudien"
  1. Allan, J.; Callan, J.P.; Croft, W.B.; Ballesteros, L.; Broglio, J.; Xu, J.; Shu, H.: INQUERY at TREC-5 (1997) 0.03 
    0.030329227 = product of:
  0.08087794 = sum of:
    0.04174695 = weight(_text_:retrieval in 3103) [ClassicSimilarity], result of:
      0.04174695 = score(doc=3103,freq=2.0), product of:
        0.124912694 = queryWeight, product of:
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.041294612 = queryNorm
        0.33420905 = fieldWeight in 3103, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.078125 = fieldNorm(doc=3103)
    0.011156735 = weight(_text_:of in 3103) [ClassicSimilarity], result of:
      0.011156735 = score(doc=3103,freq=2.0), product of:
        0.06457475 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.041294612 = queryNorm
        0.17277241 = fieldWeight in 3103, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.078125 = fieldNorm(doc=3103)
    0.02797425 = product of:
      0.0559485 = sum of:
        0.0559485 = weight(_text_:22 in 3103) [ClassicSimilarity], result of:
          0.0559485 = score(doc=3103,freq=2.0), product of:
            0.1446067 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.041294612 = 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)
      0.5 = coord(1/2)
  0.375 = coord(3/8)
    Date
    27. 2.1999 20:55:22
    Imprint
    Gaithersburgh, MD : National Institute of Standards and Technology
    Source
    The Fifth Text Retrieval Conference (TREC-5). Ed.: E.M. Voorhees u. D.K. Harman
  2. Croft, W.B.; Thompson, R.H.: Support for browsing in an intelligent text retrieval system (1989) 0.02 
    0.018516291 = product of:
  0.074065164 = sum of:
    0.058445733 = weight(_text_:retrieval in 5004) [ClassicSimilarity], result of:
      0.058445733 = score(doc=5004,freq=2.0), product of:
        0.124912694 = queryWeight, product of:
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.041294612 = queryNorm
        0.46789268 = fieldWeight in 5004, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.109375 = fieldNorm(doc=5004)
    0.015619429 = weight(_text_:of in 5004) [ClassicSimilarity], result of:
      0.015619429 = score(doc=5004,freq=2.0), product of:
        0.06457475 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.041294612 = queryNorm
        0.24188137 = fieldWeight in 5004, 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=5004)
  0.25 = coord(2/8)
    Source
    International journal of man-machine studies. 30(1989), S.639-668
  3. Allan, J.; Croft, W.B.; Callan, J.: ¬The University of Massachusetts and a dozen TRECs (2005) 0.02 
    0.015871106 = product of:
  0.06348442 = sum of:
    0.050096344 = weight(_text_:retrieval in 5086) [ClassicSimilarity], result of:
      0.050096344 = score(doc=5086,freq=2.0), product of:
        0.124912694 = queryWeight, product of:
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.041294612 = queryNorm
        0.40105087 = fieldWeight in 5086, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.09375 = fieldNorm(doc=5086)
    0.013388081 = weight(_text_:of in 5086) [ClassicSimilarity], result of:
      0.013388081 = score(doc=5086,freq=2.0), product of:
        0.06457475 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.041294612 = queryNorm
        0.20732689 = fieldWeight in 5086, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.09375 = fieldNorm(doc=5086)
  0.25 = coord(2/8)
    Source
    TREC: experiment and evaluation in information retrieval. Ed.: E.M. Voorhees, u. D.K. Harman
  4. Callan, J.; Croft, W.B.; Broglio, J.: TREC and TIPSTER experiments with INQUERY (1995) 0.01 
    0.005218369 = product of:
  0.04174695 = sum of:
    0.04174695 = weight(_text_:retrieval in 1944) [ClassicSimilarity], result of:
      0.04174695 = score(doc=1944,freq=2.0), product of:
        0.124912694 = queryWeight, product of:
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.041294612 = queryNorm
        0.33420905 = fieldWeight in 1944, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.078125 = fieldNorm(doc=1944)
  0.125 = coord(1/8)
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.436-439.

Authors

Years