Search (6 results, page 1 of 1)

  • × author_ss:"Vakkari, P."
  • × author_ss:"Järvelin, K."
  1. Järvelin, K.; Vakkari, P.: ¬The evolution of library and information science 1965-1985 : a content analysis of journal titles (1993) 0.04
    0.037871808 = product of:
      0.11361542 = sum of:
        0.11361542 = product of:
          0.17042314 = sum of:
            0.08646406 = weight(_text_:k in 4649) [ClassicSimilarity], result of:
              0.08646406 = score(doc=4649,freq=2.0), product of:
                0.15658903 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0438652 = 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)
            0.08395907 = weight(_text_:29 in 4649) [ClassicSimilarity], result of:
              0.08395907 = score(doc=4649,freq=2.0), product of:
                0.15430406 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0438652 = queryNorm
                0.5441145 = fieldWeight in 4649, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.109375 = fieldNorm(doc=4649)
          0.6666667 = coord(2/3)
      0.33333334 = coord(1/3)
    
    Source
    Information processing and management. 29(1993) no.1, S.129-144
  2. Vakkari, P.; Järvelin, K.; Chang, Y.-W.: ¬The association of disciplinary background with the evolution of topics and methods in Library and Information Science research 1995-2015 (2023) 0.01
    0.013465704 = product of:
      0.04039711 = sum of:
        0.04039711 = product of:
          0.060595665 = sum of:
            0.03088002 = weight(_text_:k in 998) [ClassicSimilarity], result of:
              0.03088002 = score(doc=998,freq=2.0), product of:
                0.15658903 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0438652 = queryNorm
                0.19720423 = fieldWeight in 998, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=998)
            0.029715646 = weight(_text_:22 in 998) [ClassicSimilarity], result of:
              0.029715646 = score(doc=998,freq=2.0), product of:
                0.15360846 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0438652 = queryNorm
                0.19345059 = fieldWeight in 998, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=998)
          0.6666667 = coord(2/3)
      0.33333334 = coord(1/3)
    
    Date
    22. 6.2023 18:15:06
  3. Tuomaala, O.; Järvelin, K.; Vakkari, P.: Evolution of library and information science, 1965-2005 : content analysis of journal articles (2014) 0.00
    0.0034311134 = product of:
      0.01029334 = sum of:
        0.01029334 = product of:
          0.03088002 = sum of:
            0.03088002 = weight(_text_:k in 1309) [ClassicSimilarity], result of:
              0.03088002 = score(doc=1309,freq=2.0), product of:
                0.15658903 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0438652 = queryNorm
                0.19720423 = fieldWeight in 1309, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1309)
          0.33333334 = coord(1/3)
      0.33333334 = coord(1/3)
    
  4. Vakkari, P.; Chang, Y.-W.; Järvelin, K.: Disciplinary contributions to research topics and methodology in Library and Information Science : leading to fragmentation? (2022) 0.00
    0.0034311134 = product of:
      0.01029334 = sum of:
        0.01029334 = product of:
          0.03088002 = sum of:
            0.03088002 = weight(_text_:k in 767) [ClassicSimilarity], result of:
              0.03088002 = score(doc=767,freq=2.0), product of:
                0.15658903 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0438652 = queryNorm
                0.19720423 = fieldWeight in 767, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=767)
          0.33333334 = coord(1/3)
      0.33333334 = coord(1/3)
    
  5. Järvelin, K.; Vakkari, P.: LIS research across 50 years: content analysis of journal articles : offering an information-centric conception of memes (2022) 0.00
    0.0034311134 = product of:
      0.01029334 = sum of:
        0.01029334 = product of:
          0.03088002 = sum of:
            0.03088002 = weight(_text_:k in 949) [ClassicSimilarity], result of:
              0.03088002 = score(doc=949,freq=2.0), product of:
                0.15658903 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0438652 = queryNorm
                0.19720423 = fieldWeight in 949, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=949)
          0.33333334 = coord(1/3)
      0.33333334 = coord(1/3)
    
  6. Vakkari, P.; Järvelin, K.: Explanation in information seeking and retrieval (2005) 0.00
    0.0027448907 = product of:
      0.008234672 = sum of:
        0.008234672 = product of:
          0.024704017 = sum of:
            0.024704017 = weight(_text_:k in 643) [ClassicSimilarity], result of:
              0.024704017 = score(doc=643,freq=2.0), product of:
                0.15658903 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0438652 = queryNorm
                0.15776339 = fieldWeight in 643, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.03125 = fieldNorm(doc=643)
          0.33333334 = coord(1/3)
      0.33333334 = coord(1/3)
    

Years