Search (2 results, page 1 of 1)

  • × author_ss:"Chang, Y.-W."
  • × author_ss:"Järvelin, K."
  • × type_ss:"a"
  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) 0.02 
    0.02109855 = product of:
  0.052746374 = sum of:
    0.017225713 = weight(_text_:17 in 998) [ClassicSimilarity], result of:
      0.017225713 = score(doc=998,freq=2.0), product of:
        0.12786718 = queryWeight, product of:
          2.4386141 = idf(docFreq=10490, maxDocs=44218)
          0.052434362 = queryNorm
        0.13471568 = fieldWeight in 998, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.4386141 = idf(docFreq=10490, maxDocs=44218)
          0.0390625 = fieldNorm(doc=998)
    0.03552066 = weight(_text_:22 in 998) [ClassicSimilarity], result of:
      0.03552066 = score(doc=998,freq=2.0), product of:
        0.1836162 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052434362 = 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)
  0.4 = coord(2/5)
    Date
    17. 2.1997 18:25:04
    22. 6.2023 18:15:06
  2. Vakkari, P.; Chang, Y.-W.; Järvelin, K.: Disciplinary contributions to research topics and methodology in Library and Information Science : leading to fragmentation? (2022) 0.00 
    0.0034451426 = product of:
  0.017225713 = sum of:
    0.017225713 = weight(_text_:17 in 767) [ClassicSimilarity], result of:
      0.017225713 = score(doc=767,freq=2.0), product of:
        0.12786718 = queryWeight, product of:
          2.4386141 = idf(docFreq=10490, maxDocs=44218)
          0.052434362 = queryNorm
        0.13471568 = fieldWeight in 767, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.4386141 = idf(docFreq=10490, maxDocs=44218)
          0.0390625 = fieldNorm(doc=767)
  0.2 = coord(1/5)
    Date
    17. 2.1997 18:25:04