Search (3 results, page 1 of 1)

  • × author_ss:"Vakkari, P."
  • × theme_ss:"Informetrie"
  1. 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) 0.03
    0.03143327 = product of:
      0.06286654 = sum of:
        0.06286654 = sum of:
          0.032037273 = weight(_text_:k in 998) [ClassicSimilarity], result of:
            0.032037273 = score(doc=998,freq=2.0), product of:
              0.16245733 = queryWeight, product of:
                3.569778 = idf(docFreq=3384, maxDocs=44218)
                0.045509085 = 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)
          0.030829264 = weight(_text_:22 in 998) [ClassicSimilarity], result of:
            0.030829264 = score(doc=998,freq=2.0), product of:
              0.15936506 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.045509085 = 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)
      0.5 = coord(1/2)
    
    Date
    22. 6.2023 18:15:06
  2. Tuomaala, O.; Järvelin, K.; Vakkari, P.: Evolution of library and information science, 1965-2005 : content analysis of journal articles (2014) 0.01
    0.008009318 = product of:
      0.016018637 = sum of:
        0.016018637 = product of:
          0.032037273 = sum of:
            0.032037273 = weight(_text_:k in 1309) [ClassicSimilarity], result of:
              0.032037273 = score(doc=1309,freq=2.0), product of:
                0.16245733 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.045509085 = 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)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  3. Järvelin, K.; Vakkari, P.: LIS research across 50 years: content analysis of journal articles : offering an information-centric conception of memes (2022) 0.01
    0.008009318 = product of:
      0.016018637 = sum of:
        0.016018637 = product of:
          0.032037273 = sum of:
            0.032037273 = weight(_text_:k in 949) [ClassicSimilarity], result of:
              0.032037273 = score(doc=949,freq=2.0), product of:
                0.16245733 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.045509085 = 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)
          0.5 = coord(1/2)
      0.5 = coord(1/2)