Search (1 results, page 1 of 1)

  • × author_ss:"Williams, P."
  • × author_ss:"Robertson, S.E."
  1. Beaulieu, M.M.; Gatford, M.; Huang, X.; Robertson, S.E.; Walker, S.; Williams, P.: Okapi an TREC-5 (1997) 0.02
    0.015871106 = product of:
      0.06348442 = sum of:
        0.050096344 = weight(_text_:retrieval in 3097) [ClassicSimilarity], result of:
          0.050096344 = score(doc=3097,freq=2.0), product of:
            0.124912694 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.041294612 = queryNorm
            0.40105087 = fieldWeight in 3097, 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=3097)
        0.013388081 = weight(_text_:of in 3097) [ClassicSimilarity], result of:
          0.013388081 = score(doc=3097,freq=2.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.20732689 = fieldWeight in 3097, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.09375 = fieldNorm(doc=3097)
      0.25 = coord(2/8)
    
    Imprint
    Gaithersburgh, MD : National Institute of Standards and Technology
    Source
    The Fifth Text Retrieval Conference (TREC-5). Ed.: E.M. Voorhees u. D.K. Harman