Search (4 results, page 1 of 1)

  • × author_ss:"Robertson, S."
  • × year_i:[2000 TO 2010}
  1. Hawking, D.; Robertson, S.: On collection size and retrieval effectiveness (2003) 0.02
    0.02340816 = product of:
      0.04681632 = sum of:
        0.04681632 = product of:
          0.14044896 = sum of:
            0.14044896 = weight(_text_:22 in 4109) [ClassicSimilarity], result of:
              0.14044896 = score(doc=4109,freq=4.0), product of:
                0.16042922 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045812972 = queryNorm
                0.8754574 = fieldWeight in 4109, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.125 = fieldNorm(doc=4109)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    14. 8.2005 14:22:22
  2. Robertson, S.; Callan, J.: Routing and filtering (2005) 0.01
    0.014614526 = product of:
      0.029229052 = sum of:
        0.029229052 = product of:
          0.08768716 = sum of:
            0.08768716 = weight(_text_:29 in 4688) [ClassicSimilarity], result of:
              0.08768716 = score(doc=4688,freq=2.0), product of:
                0.16115572 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.045812972 = queryNorm
                0.5441145 = fieldWeight in 4688, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.109375 = fieldNorm(doc=4688)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    29. 3.1996 18:16:49
  3. Robertson, S.: How Okapi came to TREC (2005) 0.01
    0.0125267375 = product of:
      0.025053475 = sum of:
        0.025053475 = product of:
          0.07516042 = sum of:
            0.07516042 = weight(_text_:29 in 5087) [ClassicSimilarity], result of:
              0.07516042 = score(doc=5087,freq=2.0), product of:
                0.16115572 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.045812972 = queryNorm
                0.46638384 = fieldWeight in 5087, 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=5087)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    29. 3.1996 18:16:49
  4. Robertson, S.; Tait, J.: In Memoriam Karen Sparck Jones (2007) 0.01
    0.012414051 = product of:
      0.024828102 = sum of:
        0.024828102 = product of:
          0.0744843 = sum of:
            0.0744843 = weight(_text_:22 in 2927) [ClassicSimilarity], result of:
              0.0744843 = score(doc=2927,freq=2.0), product of:
                0.16042922 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045812972 = queryNorm
                0.46428138 = fieldWeight in 2927, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.09375 = fieldNorm(doc=2927)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    26.12.2007 14:22:47