Search (3 results, page 1 of 1)

  • × author_ss:"Järvelin, K."
  • × year_i:[2020 TO 2030}
  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
    0.032878954 = product of:
      0.06575791 = sum of:
        0.06575791 = sum of:
          0.031998128 = weight(_text_:k in 998) [ClassicSimilarity], result of:
            0.031998128 = score(doc=998,freq=2.0), product of:
              0.16225883 = queryWeight, product of:
                3.569778 = idf(docFreq=3384, maxDocs=44218)
                0.04545348 = 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)
          0.0029681858 = weight(_text_:s in 998) [ClassicSimilarity], result of:
            0.0029681858 = score(doc=998,freq=2.0), product of:
              0.049418733 = queryWeight, product of:
                1.0872376 = idf(docFreq=40523, maxDocs=44218)
                0.04545348 = queryNorm
              0.060061958 = fieldWeight in 998, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                1.0872376 = idf(docFreq=40523, maxDocs=44218)
                0.0390625 = fieldNorm(doc=998)
          0.030791596 = weight(_text_:22 in 998) [ClassicSimilarity], result of:
            0.030791596 = score(doc=998,freq=2.0), product of:
              0.15917034 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.04545348 = 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
    Source
    Journal of the Association for Information Science and Technology. 74(2023) no.7, S.811-827
  2. Vakkari, P.; Chang, Y.-W.; Järvelin, K.: Disciplinary contributions to research topics and methodology in Library and Information Science : leading to fragmentation? (2022) 0.01
    0.011655438 = product of:
      0.023310876 = sum of:
        0.023310876 = product of:
          0.034966312 = sum of:
            0.031998128 = weight(_text_:k in 767) [ClassicSimilarity], result of:
              0.031998128 = score(doc=767,freq=2.0), product of:
                0.16225883 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04545348 = 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)
            0.0029681858 = weight(_text_:s in 767) [ClassicSimilarity], result of:
              0.0029681858 = score(doc=767,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.060061958 = fieldWeight in 767, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=767)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 73(2022) no.12, S.1706-1722
  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
    0.011655438 = product of:
      0.023310876 = sum of:
        0.023310876 = product of:
          0.034966312 = sum of:
            0.031998128 = weight(_text_:k in 949) [ClassicSimilarity], result of:
              0.031998128 = score(doc=949,freq=2.0), product of:
                0.16225883 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04545348 = 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)
            0.0029681858 = weight(_text_:s in 949) [ClassicSimilarity], result of:
              0.0029681858 = score(doc=949,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.060061958 = fieldWeight in 949, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=949)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Source
    Journal of documentation. 78(2022) no.7, S.65-88