Search (1 results, page 1 of 1)

  • × author_ss:"Järvelin, K."
  • × theme_ss:"Volltextretrieval"
  1. Kristensen, J.; Järvelin, K.: ¬The effectiveness of a searching thesaurus in free-text searching in a full-text database (1990) 0.02
    0.015732218 = product of:
      0.11012552 = sum of:
        0.05506276 = weight(_text_:classification in 2043) [ClassicSimilarity], result of:
          0.05506276 = score(doc=2043,freq=2.0), product of:
            0.09780556 = queryWeight, product of:
              3.1847067 = idf(docFreq=4974, maxDocs=44218)
              0.03071101 = queryNorm
            0.5629819 = fieldWeight in 2043, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1847067 = idf(docFreq=4974, maxDocs=44218)
              0.125 = fieldNorm(doc=2043)
        0.05506276 = weight(_text_:classification in 2043) [ClassicSimilarity], result of:
          0.05506276 = score(doc=2043,freq=2.0), product of:
            0.09780556 = queryWeight, product of:
              3.1847067 = idf(docFreq=4974, maxDocs=44218)
              0.03071101 = queryNorm
            0.5629819 = fieldWeight in 2043, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1847067 = idf(docFreq=4974, maxDocs=44218)
              0.125 = fieldNorm(doc=2043)
      0.14285715 = coord(2/14)
    
    Source
    International classification. 17(1990), S.77-84