Search (6 results, page 1 of 1)

  • × author_ss:"Oppenheim, C."
  • × theme_ss:"Informetrie"
  • × type_ss:"a"
  1. Norris, M.; Oppenheim, C.: ¬The h-index : a broad review of a new bibliometric indicator (2010) 0.01 
    0.011360965 = product of:
  0.02272193 = sum of:
    0.02272193 = product of:
      0.034082893 = sum of:
        0.0029965942 = weight(_text_:s in 4147) [ClassicSimilarity], result of:
          0.0029965942 = score(doc=4147,freq=2.0), product of:
            0.049891718 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.045888513 = queryNorm
            0.060061958 = fieldWeight in 4147, 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=4147)
        0.0310863 = weight(_text_:22 in 4147) [ClassicSimilarity], result of:
          0.0310863 = score(doc=4147,freq=2.0), product of:
            0.16069375 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045888513 = queryNorm
            0.19345059 = fieldWeight in 4147, 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=4147)
      0.6666667 = coord(2/3)
  0.5 = coord(1/2)
    Date
    8. 1.2011 19:22:13
    Source
    Journal of documentation. 66(2010) no.5, S.681-705
  2. Oppenheim, C.; Stuart, D.: Is there a correlation between investment in an academic library and a higher education institution's ratings in the Research Assessment Exercise? (2004) 0.00 
    0.004858693 = product of:
  0.009717386 = sum of:
    0.009717386 = product of:
      0.014576078 = sum of:
        0.010980166 = weight(_text_:d in 668) [ClassicSimilarity], result of:
          0.010980166 = score(doc=668,freq=2.0), product of:
            0.0871823 = queryWeight, product of:
              1.899872 = idf(docFreq=17979, maxDocs=44218)
              0.045888513 = queryNorm
            0.1259449 = fieldWeight in 668, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.899872 = idf(docFreq=17979, maxDocs=44218)
              0.046875 = fieldNorm(doc=668)
        0.0035959128 = weight(_text_:s in 668) [ClassicSimilarity], result of:
          0.0035959128 = score(doc=668,freq=2.0), product of:
            0.049891718 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.045888513 = queryNorm
            0.072074346 = fieldWeight in 668, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=668)
      0.6666667 = coord(2/3)
  0.5 = coord(1/2)
    Source
    Aslib proceedings. 56(2004) no.3, S.156-165
  3. Oppenheim, C.: Do citations count? : Citation indexing and the Research Assessment Exercise (RAE) (1996) 0.00 
    7.9909177E-4 = product of:
  0.0015981835 = sum of:
    0.0015981835 = product of:
      0.0047945506 = sum of:
        0.0047945506 = weight(_text_:s in 6673) [ClassicSimilarity], result of:
          0.0047945506 = score(doc=6673,freq=2.0), product of:
            0.049891718 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.045888513 = queryNorm
            0.09609913 = fieldWeight in 6673, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=6673)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Source
    Serials. 9(1996) no.2, S.155-161
  4. Oppenheim, C.: Using the h-Index to rank influential British researchers in information science and librarianship (2007) 0.00 
    5.993188E-4 = product of:
  0.0011986376 = sum of:
    0.0011986376 = product of:
      0.0035959128 = sum of:
        0.0035959128 = weight(_text_:s in 780) [ClassicSimilarity], result of:
          0.0035959128 = score(doc=780,freq=2.0), product of:
            0.049891718 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.045888513 = queryNorm
            0.072074346 = fieldWeight in 780, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=780)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Source
    Journal of the American Society for Information Science and Technology. 58(2007) no.2, S.297-301
  5. Johnson, B.; Oppenheim, C.: How socially connected are citers to those that they cite? (2007) 0.00 
    4.994324E-4 = product of:
  9.988648E-4 = sum of:
    9.988648E-4 = product of:
      0.0029965942 = sum of:
        0.0029965942 = weight(_text_:s in 839) [ClassicSimilarity], result of:
          0.0029965942 = score(doc=839,freq=2.0), product of:
            0.049891718 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.045888513 = queryNorm
            0.060061958 = fieldWeight in 839, 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=839)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Source
    Journal of documentation. 63(2007) no.5, S.609-637
  6. Norris, M.; Oppenheim, C.; Rowland, F.: ¬The citation advantage of open-access articles (2008) 0.00 
    4.994324E-4 = product of:
  9.988648E-4 = sum of:
    9.988648E-4 = product of:
      0.0029965942 = sum of:
        0.0029965942 = weight(_text_:s in 2374) [ClassicSimilarity], result of:
          0.0029965942 = score(doc=2374,freq=2.0), product of:
            0.049891718 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.045888513 = queryNorm
            0.060061958 = fieldWeight in 2374, 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=2374)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Source
    Journal of the American Society for Information Science and Technology. 59(2008) no.12, S.1963-1972

Authors

Years