Search (4 results, page 1 of 1)

Hawking, D.; Robertson, S.: On collection size and retrieval effectiveness (2003) 0.04

0.0395748 = product of:
  0.0791496 = sum of:
    0.0791496 = product of:
      0.1582992 = sum of:
        0.1582992 = weight(_text_:22 in 4109) [ClassicSimilarity], result of:
          0.1582992 = score(doc=4109,freq=4.0), product of:
            0.18081884 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.051635534 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Date: 14. 8.2005 14:22:22

Robertson, S.; Walker, S.: Threshold setting in adaptive filtering (2000) 0.03

0.034519263 = product of:
  0.069038525 = sum of:
    0.069038525 = product of:
      0.13807705 = sum of:
        0.13807705 = weight(_text_:56 in 2835) [ClassicSimilarity], result of:
          0.13807705 = score(doc=2835,freq=2.0), product of:
            0.21469334 = queryWeight, product of:
              4.1578603 = idf(docFreq=1879, maxDocs=44218)
              0.051635534 = queryNorm
            0.64313614 = fieldWeight in 2835, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.1578603 = idf(docFreq=1879, maxDocs=44218)
              0.109375 = fieldNorm(doc=2835)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Source: Journal of documentation. 56(2000) no.3, S.312-331

Robertson, S.: How Okapi came to TREC (2005) 0.03

0.02958794 = product of:
  0.05917588 = sum of:
    0.05917588 = product of:
      0.11835176 = sum of:
        0.11835176 = weight(_text_:56 in 5087) [ClassicSimilarity], result of:
          0.11835176 = score(doc=5087,freq=2.0), product of:
            0.21469334 = queryWeight, product of:
              4.1578603 = idf(docFreq=1879, maxDocs=44218)
              0.051635534 = queryNorm
            0.5512596 = fieldWeight in 5087, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.1578603 = idf(docFreq=1879, maxDocs=44218)
              0.09375 = fieldNorm(doc=5087)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Date: 27. 5.2007 20:07:56

Robertson, S.; Tait, J.: In Memoriam Karen Sparck Jones (2007) 0.02

0.020987704 = product of:
  0.04197541 = sum of:
    0.04197541 = product of:
      0.08395082 = sum of:
        0.08395082 = weight(_text_:22 in 2927) [ClassicSimilarity], result of:
          0.08395082 = score(doc=2927,freq=2.0), product of:
            0.18081884 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.051635534 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Date: 26.12.2007 14:22:47

Search (4 results, page 1 of 1)

Authors

Themes