Search (6 results, page 1 of 1)

  • × year_i:[1980 TO 1990}
  • × theme_ss:"Retrievalalgorithmen"
  1. Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986) 0.02 
    0.02468502 = product of:
  0.04937004 = sum of:
    0.04937004 = product of:
      0.09874008 = sum of:
        0.09874008 = weight(_text_:22 in 402) [ClassicSimilarity], result of:
          0.09874008 = score(doc=402,freq=2.0), product of:
            0.15950468 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045548957 = queryNorm
            0.61904186 = fieldWeight in 402, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.125 = fieldNorm(doc=402)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Information processing and management. 22(1986) no.6, S.465-476
  2. Salton, G.; Buckley, C.: Parallel text search methods (1988) 0.02 
    0.023951454 = product of:
  0.04790291 = sum of:
    0.04790291 = product of:
      0.09580582 = sum of:
        0.09580582 = weight(_text_:c in 404) [ClassicSimilarity], result of:
          0.09580582 = score(doc=404,freq=2.0), product of:
            0.15711682 = queryWeight, product of:
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.045548957 = queryNorm
            0.6097744 = fieldWeight in 404, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.125 = fieldNorm(doc=404)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  3. Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983) 0.02 
    0.021599391 = product of:
  0.043198783 = sum of:
    0.043198783 = product of:
      0.086397566 = sum of:
        0.086397566 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
          0.086397566 = score(doc=2134,freq=2.0), product of:
            0.15950468 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045548957 = queryNorm
            0.5416616 = fieldWeight in 2134, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.109375 = fieldNorm(doc=2134)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    30. 3.2001 13:32:22
  4. Fuhr, N.: Ranking-Experimente mit gewichteter Indexierung (1986) 0.02 
    0.018513763 = product of:
  0.037027527 = sum of:
    0.037027527 = product of:
      0.07405505 = sum of:
        0.07405505 = weight(_text_:22 in 58) [ClassicSimilarity], result of:
          0.07405505 = score(doc=58,freq=2.0), product of:
            0.15950468 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045548957 = queryNorm
            0.46428138 = fieldWeight in 58, 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=58)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    14. 6.2015 22:12:44
  5. Fuhr, N.: Rankingexperimente mit gewichteter Indexierung (1986) 0.02 
    0.018513763 = product of:
  0.037027527 = sum of:
    0.037027527 = product of:
      0.07405505 = sum of:
        0.07405505 = weight(_text_:22 in 2051) [ClassicSimilarity], result of:
          0.07405505 = score(doc=2051,freq=2.0), product of:
            0.15950468 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045548957 = queryNorm
            0.46428138 = fieldWeight in 2051, 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=2051)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    14. 6.2015 22:12:56
  6. Salton, G.; Buckley, C.: Term-weighting approaches in automatic text retrieval (1988) 0.02 
    0.01796359 = product of:
  0.03592718 = sum of:
    0.03592718 = product of:
      0.07185436 = sum of:
        0.07185436 = weight(_text_:c in 1938) [ClassicSimilarity], result of:
          0.07185436 = score(doc=1938,freq=2.0), product of:
            0.15711682 = queryWeight, product of:
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.045548957 = queryNorm
            0.45733082 = fieldWeight in 1938, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.09375 = fieldNorm(doc=1938)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Authors

Languages

Themes