Search (3 results, page 1 of 1)

  • × author_ss:"Oppenheim, C."
  • × language_ss:"e"
  • × year_i:[2000 TO 2010}
  1. Norris, M.; Oppenheim, C.; Rowland, F.: ¬The citation advantage of open-access articles (2008) 0.02 
    0.018672653 = product of:
  0.07469061 = sum of:
    0.017213987 = product of:
      0.034427974 = sum of:
        0.034427974 = weight(_text_:mathematik in 2374) [ClassicSimilarity], result of:
          0.034427974 = score(doc=2374,freq=2.0), product of:
            0.111489825 = queryWeight, product of:
              5.5898643 = idf(docFreq=448, maxDocs=44218)
              0.019944998 = queryNorm
            0.30879927 = fieldWeight in 2374, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.5898643 = idf(docFreq=448, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2374)
      0.5 = coord(1/2)
    0.017213987 = product of:
      0.034427974 = sum of:
        0.034427974 = weight(_text_:mathematik in 2374) [ClassicSimilarity], result of:
          0.034427974 = score(doc=2374,freq=2.0), product of:
            0.111489825 = queryWeight, product of:
              5.5898643 = idf(docFreq=448, maxDocs=44218)
              0.019944998 = queryNorm
            0.30879927 = fieldWeight in 2374, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.5898643 = idf(docFreq=448, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2374)
      0.5 = coord(1/2)
    0.034427974 = weight(_text_:mathematik in 2374) [ClassicSimilarity], result of:
      0.034427974 = score(doc=2374,freq=2.0), product of:
        0.111489825 = queryWeight, product of:
          5.5898643 = idf(docFreq=448, maxDocs=44218)
          0.019944998 = queryNorm
        0.30879927 = fieldWeight in 2374, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          5.5898643 = idf(docFreq=448, maxDocs=44218)
          0.0390625 = fieldNorm(doc=2374)
    0.0058346624 = product of:
      0.017503986 = sum of:
        0.017503986 = weight(_text_:f in 2374) [ClassicSimilarity], result of:
          0.017503986 = score(doc=2374,freq=2.0), product of:
            0.07949649 = queryWeight, product of:
              3.985786 = idf(docFreq=2232, maxDocs=44218)
              0.019944998 = queryNorm
            0.22018565 = fieldWeight in 2374, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.985786 = idf(docFreq=2232, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2374)
      0.33333334 = coord(1/3)
  0.25 = coord(4/16)
    Field
    Mathematik
  2. Johnson, B.; Oppenheim, C.: How socially connected are citers to those that they cite? (2007) 0.00 
    0.0035383394 = product of:
  0.028306715 = sum of:
    0.014153358 = weight(_text_:23 in 839) [ClassicSimilarity], result of:
      0.014153358 = score(doc=839,freq=2.0), product of:
        0.07148406 = queryWeight, product of:
          3.5840597 = idf(docFreq=3336, maxDocs=44218)
          0.019944998 = queryNorm
        0.1979932 = fieldWeight in 839, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.5840597 = idf(docFreq=3336, maxDocs=44218)
          0.0390625 = fieldNorm(doc=839)
    0.014153358 = weight(_text_:23 in 839) [ClassicSimilarity], result of:
      0.014153358 = score(doc=839,freq=2.0), product of:
        0.07148406 = queryWeight, product of:
          3.5840597 = idf(docFreq=3336, maxDocs=44218)
          0.019944998 = queryNorm
        0.1979932 = fieldWeight in 839, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.5840597 = idf(docFreq=3336, maxDocs=44218)
          0.0390625 = fieldNorm(doc=839)
  0.125 = coord(2/16)
    Date
    23.12.2007 14:07:23
  3. Oppenheim, C.: Electronic scholarly publishing and open access (2009) 0.00 
    3.37784E-4 = product of:
  0.005404544 = sum of:
    0.005404544 = product of:
      0.016213631 = sum of:
        0.016213631 = weight(_text_:22 in 3662) [ClassicSimilarity], result of:
          0.016213631 = score(doc=3662,freq=2.0), product of:
            0.069843985 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.019944998 = queryNorm
            0.23214069 = fieldWeight in 3662, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=3662)
      0.33333334 = coord(1/3)
  0.0625 = coord(1/16)
    Date
    8. 7.2010 19:22:45

Authors

Themes