Search (2 results, page 1 of 1)

  • × author_ss:"MacRoberts, M.H."
  • × theme_ss:"Citation indexing"
  • × year_i:[1980 TO 1990}
  1. MacRoberts, M.H.; MacRoberts, B.R.: Problems of citation analysis : a critical review (1989) 0.01
    0.006866273 = product of:
      0.027465092 = sum of:
        0.027465092 = weight(_text_:information in 6901) [ClassicSimilarity], result of:
          0.027465092 = score(doc=6901,freq=2.0), product of:
            0.08850355 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.050415643 = queryNorm
            0.3103276 = fieldWeight in 6901, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, 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
  2. MacRoberts, M.H.; MacRoberts, B.R.: Author motivation for not citing influences : a methodological note (1988) 0.01
    0.005149705 = product of:
      0.02059882 = sum of:
        0.02059882 = weight(_text_:information in 648) [ClassicSimilarity], result of:
          0.02059882 = score(doc=648,freq=2.0), product of:
            0.08850355 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.050415643 = queryNorm
            0.23274569 = fieldWeight in 648, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, 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