Search (2 results, page 1 of 1)

  • × theme_ss:"Retrievalalgorithmen"
  • × theme_ss:"Volltextretrieval"
  1. Ro, J.S.: ¬An evaluation of the applicability of ranking algorithms to improve the effectiveness of full-text retrieval : 1. On the effectiveness of full-text retrieval (1988) 0.00 
    0.0018048285 = product of:
  0.003609657 = sum of:
    0.003609657 = product of:
      0.007219314 = sum of:
        0.007219314 = weight(_text_:s in 4030) [ClassicSimilarity], result of:
          0.007219314 = score(doc=4030,freq=2.0), product of:
            0.05008241 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046063907 = queryNorm
            0.14414869 = fieldWeight in 4030, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.09375 = fieldNorm(doc=4030)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of the American Society for Information Science. 39(1988), S.73-78
  2. Couvreur, T.R.; Benzel, R.N.; Miller, S.F.; Zeitler, D.N.; Lee, D.L.; Singhal, M.; Shivaratri, N.; Wong, W.Y.P.: ¬An analysis of performance and cost factors in searching large text databases using parallel search systems (1994) 0.00 
    0.0010528166 = product of:
  0.0021056333 = sum of:
    0.0021056333 = product of:
      0.0042112665 = sum of:
        0.0042112665 = weight(_text_:s in 7657) [ClassicSimilarity], result of:
          0.0042112665 = score(doc=7657,freq=2.0), product of:
            0.05008241 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046063907 = queryNorm
            0.08408674 = fieldWeight in 7657, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0546875 = fieldNorm(doc=7657)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of the American Society for Information Science. 45(1994) no.7, S.443-464

Authors

Years