Search (1 results, page 1 of 1)

  • × author_ss:"Allan, J."
  • × author_ss:"Callan, J."
  • × theme_ss:"Retrievalstudien"
  1. Allan, J.; Croft, W.B.; Callan, J.: ¬The University of Massachusetts and a dozen TRECs (2005) 0.02
    0.023404032 = product of:
      0.070212096 = sum of:
        0.050705772 = weight(_text_:u in 5086) [ClassicSimilarity], result of:
          0.050705772 = score(doc=5086,freq=2.0), product of:
            0.11679749 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.03566941 = queryNorm
            0.43413407 = fieldWeight in 5086, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.09375 = fieldNorm(doc=5086)
        0.019506322 = product of:
          0.058518965 = sum of:
            0.058518965 = weight(_text_:29 in 5086) [ClassicSimilarity], result of:
              0.058518965 = score(doc=5086,freq=2.0), product of:
                0.12547383 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03566941 = 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)
      0.33333334 = coord(2/6)
    
    Date
    29. 3.1996 18:16:49
    Source
    TREC: experiment and evaluation in information retrieval. Ed.: E.M. Voorhees, u. D.K. Harman