Search (5 results, page 1 of 1)

  • × author_ss:"MacRoberts, B.R."
  • × theme_ss:"Citation indexing"
  1. MacRoberts, M.H.; MacRoberts, B.R.: Quantitative measures of communication in science : a study of the formal level (1986) 0.02 
    0.021884115 = product of:
  0.08753646 = sum of:
    0.08753646 = weight(_text_:science in 7777) [ClassicSimilarity], result of:
      0.08753646 = score(doc=7777,freq=4.0), product of:
        0.1329271 = queryWeight, product of:
          2.6341193 = idf(docFreq=8627, maxDocs=44218)
          0.050463587 = queryNorm
        0.6585298 = fieldWeight in 7777, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          2.6341193 = idf(docFreq=8627, maxDocs=44218)
          0.125 = fieldNorm(doc=7777)
  0.25 = coord(1/4)
    Source
    Social studies of science. 16(1986), S.151-172
  2. MacRoberts, M.H.; MacRoberts, B.R.: Problems of citation analysis : a critical review (1989) 0.02 
    0.015474406 = product of:
  0.061897624 = sum of:
    0.061897624 = weight(_text_:science in 6901) [ClassicSimilarity], result of:
      0.061897624 = score(doc=6901,freq=2.0), product of:
        0.1329271 = queryWeight, product of:
          2.6341193 = idf(docFreq=8627, maxDocs=44218)
          0.050463587 = queryNorm
        0.4656509 = fieldWeight in 6901, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.6341193 = idf(docFreq=8627, maxDocs=44218)
          0.125 = fieldNorm(doc=6901)
  0.25 = coord(1/4)
    Source
    Journal of the American Society for Information Science. 40(1989), S.342-349
  3. MacRoberts, M.H.; MacRoberts, B.R.: Author motivation for not citing influences : a methodological note (1988) 0.01 
    0.011605804 = product of:
  0.046423215 = sum of:
    0.046423215 = weight(_text_:science in 648) [ClassicSimilarity], result of:
      0.046423215 = score(doc=648,freq=2.0), product of:
        0.1329271 = queryWeight, product of:
          2.6341193 = idf(docFreq=8627, maxDocs=44218)
          0.050463587 = queryNorm
        0.34923816 = fieldWeight in 648, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.6341193 = idf(docFreq=8627, maxDocs=44218)
          0.09375 = fieldNorm(doc=648)
  0.25 = coord(1/4)
    Source
    Journal of the American Society for Information Science. 39(1988), S.432-433
  4. MacRoberts, M.H.; MacRoberts, B.R.: ¬The mismeasure of science : citation analysis (2018) 0.01 
    0.009574301 = product of:
  0.038297202 = sum of:
    0.038297202 = weight(_text_:science in 4058) [ClassicSimilarity], result of:
      0.038297202 = score(doc=4058,freq=4.0), product of:
        0.1329271 = queryWeight, product of:
          2.6341193 = idf(docFreq=8627, maxDocs=44218)
          0.050463587 = queryNorm
        0.2881068 = fieldWeight in 4058, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          2.6341193 = idf(docFreq=8627, maxDocs=44218)
          0.0546875 = fieldNorm(doc=4058)
  0.25 = coord(1/4)
    Source
    Journal of the Association for Information Science and Technology. 69(2018) no.3, S.474-482
  5. MacRoberts, M.H.; MacRoberts, B.R.: Problems of citation analysis : a study of uncited and seldom-cited influences (2010) 0.01 
    0.007737203 = product of:
  0.030948812 = sum of:
    0.030948812 = weight(_text_:science in 3308) [ClassicSimilarity], result of:
      0.030948812 = score(doc=3308,freq=2.0), product of:
        0.1329271 = queryWeight, product of:
          2.6341193 = idf(docFreq=8627, maxDocs=44218)
          0.050463587 = queryNorm
        0.23282544 = fieldWeight in 3308, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.6341193 = idf(docFreq=8627, maxDocs=44218)
          0.0625 = fieldNorm(doc=3308)
  0.25 = coord(1/4)
    Source
    Journal of the American Society for Information Science and Technology. 61(2010) no.1, S.1-12

Years