Search (4 results, page 1 of 1)

  • × author_ss:"Järvelin, K."
  • × year_i:[1990 TO 2000}
  1. Järvelin, K.; Kristensen, J.; Niemi, T.; Sormunen, E.; Keskustalo, H.: ¬A deductive data model for query expansion (1996) 0.02 
    0.024564406 = product of:
  0.04912881 = sum of:
    0.04912881 = product of:
      0.073693216 = sum of:
        0.037554637 = weight(_text_:k in 2230) [ClassicSimilarity], result of:
          0.037554637 = score(doc=2230,freq=2.0), product of:
            0.15869603 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.04445543 = queryNorm
            0.23664509 = fieldWeight in 2230, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.046875 = fieldNorm(doc=2230)
        0.036138583 = weight(_text_:22 in 2230) [ClassicSimilarity], result of:
          0.036138583 = score(doc=2230,freq=2.0), product of:
            0.15567535 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04445543 = queryNorm
            0.23214069 = fieldWeight in 2230, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=2230)
      0.6666667 = coord(2/3)
  0.5 = coord(1/2)
    Source
    Proceedings of the 19th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (ACM SIGIR '96), Zürich, Switzerland, August 18-22, 1996. Eds.: H.P. Frei et al
  2. Kristensen, J.; Järvelin, K.: ¬The effectiveness of a searching thesaurus in free-text searching in a full-text database (1990) 0.02 
    0.016690949 = product of:
  0.033381898 = sum of:
    0.033381898 = product of:
      0.10014569 = sum of:
        0.10014569 = weight(_text_:k in 2043) [ClassicSimilarity], result of:
          0.10014569 = score(doc=2043,freq=2.0), product of:
            0.15869603 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.04445543 = queryNorm
            0.63105357 = fieldWeight in 2043, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.125 = fieldNorm(doc=2043)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
  3. Järvelin, K.; Vakkari, P.: ¬The evolution of library and information science 1965-1985 : a content analysis of journal titles (1993) 0.01 
    0.0146045815 = product of:
  0.029209163 = sum of:
    0.029209163 = product of:
      0.087627485 = sum of:
        0.087627485 = weight(_text_:k in 4649) [ClassicSimilarity], result of:
          0.087627485 = score(doc=4649,freq=2.0), product of:
            0.15869603 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.04445543 = queryNorm
            0.5521719 = fieldWeight in 4649, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.109375 = fieldNorm(doc=4649)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
  4. Järvelin, K.; Niemi, T.: Deductive information retrieval based on classifications (1993) 0.01 
    0.006259106 = product of:
  0.012518212 = sum of:
    0.012518212 = product of:
      0.037554637 = sum of:
        0.037554637 = weight(_text_:k in 2229) [ClassicSimilarity], result of:
          0.037554637 = score(doc=2229,freq=2.0), product of:
            0.15869603 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.04445543 = queryNorm
            0.23664509 = fieldWeight in 2229, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.046875 = fieldNorm(doc=2229)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)

Authors

Themes