Search (2 results, page 1 of 1)

  • × year_i:[2020 TO 2030}
  • × author_ss:"Vakkari, P."
  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) 0.01
    0.0054214997 = product of:
      0.010842999 = sum of:
        0.010842999 = product of:
          0.032528996 = sum of:
            0.032528996 = weight(_text_:22 in 998) [ClassicSimilarity], result of:
              0.032528996 = score(doc=998,freq=2.0), product of:
                0.16815145 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048018172 = 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)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    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
    0.004783062 = product of:
      0.009566124 = sum of:
        0.009566124 = product of:
          0.02869837 = sum of:
            0.02869837 = weight(_text_:12 in 767) [ClassicSimilarity], result of:
              0.02869837 = score(doc=767,freq=4.0), product of:
                0.13281173 = queryWeight, product of:
                  2.765864 = idf(docFreq=7562, maxDocs=44218)
                  0.048018172 = queryNorm
                0.21608311 = fieldWeight in 767, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  2.765864 = idf(docFreq=7562, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=767)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    12.11.2022 12:54:41
    Source
    Journal of the Association for Information Science and Technology. 73(2022) no.12, S.1706-1722