Search (2 results, page 1 of 1)

  • × author_ss:"Gatford, M."
  • × author_ss:"Robertson, S.E."
  1. Robertson, S.E.; Walker, S.; Beaulieu, M.M.; Gatford, M.; Payne, A.: Okapi at TREC-4 (1996) 0.02
    0.015664132 = product of:
      0.057435147 = sum of:
        0.0066271294 = weight(_text_:a in 7546) [ClassicSimilarity], result of:
          0.0066271294 = score(doc=7546,freq=4.0), product of:
            0.030653298 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.026584605 = queryNorm
            0.2161963 = fieldWeight in 7546, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.09375 = fieldNorm(doc=7546)
        0.00589224 = weight(_text_:s in 7546) [ClassicSimilarity], result of:
          0.00589224 = score(doc=7546,freq=4.0), product of:
            0.028903782 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.026584605 = queryNorm
            0.20385705 = fieldWeight in 7546, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.09375 = fieldNorm(doc=7546)
        0.044915777 = weight(_text_:k in 7546) [ClassicSimilarity], result of:
          0.044915777 = score(doc=7546,freq=2.0), product of:
            0.09490114 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.026584605 = queryNorm
            0.47329018 = fieldWeight in 7546, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.09375 = fieldNorm(doc=7546)
      0.27272728 = coord(3/11)
    
    Pages
    S.73-96
    Source
    The Fourth Text Retrieval Conference (TREC-4). Ed.: K. Harman
    Type
    a
  2. Beaulieu, M.M.; Gatford, M.; Huang, X.; Robertson, S.E.; Walker, S.; Williams, P.: Okapi an TREC-5 (1997) 0.01
    0.013191714 = product of:
      0.048369616 = sum of:
        0.0046860883 = weight(_text_:a in 3097) [ClassicSimilarity], result of:
          0.0046860883 = score(doc=3097,freq=2.0), product of:
            0.030653298 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.026584605 = queryNorm
            0.15287387 = fieldWeight in 3097, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.09375 = fieldNorm(doc=3097)
        0.00589224 = weight(_text_:s in 3097) [ClassicSimilarity], result of:
          0.00589224 = score(doc=3097,freq=4.0), product of:
            0.028903782 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.026584605 = queryNorm
            0.20385705 = fieldWeight in 3097, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.09375 = fieldNorm(doc=3097)
        0.03779129 = weight(_text_:u in 3097) [ClassicSimilarity], result of:
          0.03779129 = score(doc=3097,freq=2.0), product of:
            0.08704981 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.026584605 = queryNorm
            0.43413407 = fieldWeight in 3097, 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=3097)
      0.27272728 = coord(3/11)
    
    Pages
    S.143-165
    Source
    The Fifth Text Retrieval Conference (TREC-5). Ed.: E.M. Voorhees u. D.K. Harman
    Type
    a