Search (2 results, page 1 of 1)

  • × author_ss:"Callan, J."
  • × author_ss:"Croft, W.B."
  1. Allan, J.; Croft, W.B.; Callan, J.: ¬The University of Massachusetts and a dozen TRECs (2005) 0.01
    0.006877549 = product of:
      0.020632647 = sum of:
        0.020632647 = product of:
          0.06189794 = sum of:
            0.06189794 = weight(_text_:retrieval in 5086) [ClassicSimilarity], result of:
              0.06189794 = score(doc=5086,freq=2.0), product of:
                0.15433937 = queryWeight, product of:
                  3.024915 = idf(docFreq=5836, maxDocs=44218)
                  0.051022716 = 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)
          0.33333334 = coord(1/3)
      0.33333334 = coord(1/3)
    
    Source
    TREC: experiment and evaluation in information retrieval. Ed.: E.M. Voorhees, u. D.K. Harman
  2. Callan, J.; Croft, W.B.; Broglio, J.: TREC and TIPSTER experiments with INQUERY (1995) 0.01
    0.005731291 = product of:
      0.017193872 = sum of:
        0.017193872 = product of:
          0.051581617 = sum of:
            0.051581617 = weight(_text_:retrieval in 1944) [ClassicSimilarity], result of:
              0.051581617 = score(doc=1944,freq=2.0), product of:
                0.15433937 = queryWeight, product of:
                  3.024915 = idf(docFreq=5836, maxDocs=44218)
                  0.051022716 = 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)
          0.33333334 = coord(1/3)
      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.