Search (7 results, page 1 of 1)

  • × author_ss:"Oppenheim, C."
  1. Norris, M.; Oppenheim, C.; Rowland, F.: ¬The citation advantage of open-access articles (2008) 0.02
    0.017471137 = product of:
      0.069884546 = sum of:
        0.069884546 = weight(_text_:mathematik in 2374) [ClassicSimilarity], result of:
          0.069884546 = score(doc=2374,freq=2.0), product of:
            0.2263106 = queryWeight, product of:
              5.5898643 = idf(docFreq=448, maxDocs=44218)
              0.040485885 = 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)
      0.25 = coord(1/4)
    
    Field
    Mathematik
  2. Oppenheim, C.: ¬The implications of copyright legislation for electronic access to journal collections (1994) 0.00
    0.0036568525 = product of:
      0.01462741 = sum of:
        0.01462741 = product of:
          0.04388223 = sum of:
            0.04388223 = weight(_text_:22 in 7245) [ClassicSimilarity], result of:
              0.04388223 = score(doc=7245,freq=2.0), product of:
                0.14177467 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.040485885 = queryNorm
                0.30952093 = fieldWeight in 7245, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=7245)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Source
    Journal of document and text management. 2(1994) no.1, S.10-22
  3. Oppenheim, C.: ¬An agenda for action to achieve the information society in the UK (1996) 0.00
    0.0036568525 = product of:
      0.01462741 = sum of:
        0.01462741 = product of:
          0.04388223 = sum of:
            0.04388223 = weight(_text_:22 in 7670) [ClassicSimilarity], result of:
              0.04388223 = score(doc=7670,freq=2.0), product of:
                0.14177467 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.040485885 = queryNorm
                0.30952093 = fieldWeight in 7670, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=7670)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Source
    Journal of information science. 22(1996) no.6, S.407-421
  4. Oppenheim, C.: Intellectual property : legal and other issues (1997) 0.00
    0.0027426393 = product of:
      0.010970557 = sum of:
        0.010970557 = product of:
          0.03291167 = sum of:
            0.03291167 = weight(_text_:22 in 42) [ClassicSimilarity], result of:
              0.03291167 = score(doc=42,freq=2.0), product of:
                0.14177467 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.040485885 = queryNorm
                0.23214069 = fieldWeight in 42, 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=42)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Source
    Information studies. 3(1997) no.1, S.5-22
  5. Oppenheim, C.: Electronic scholarly publishing and open access (2009) 0.00
    0.0027426393 = product of:
      0.010970557 = sum of:
        0.010970557 = product of:
          0.03291167 = sum of:
            0.03291167 = weight(_text_:22 in 3662) [ClassicSimilarity], result of:
              0.03291167 = score(doc=3662,freq=2.0), product of:
                0.14177467 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.040485885 = 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)
      0.25 = coord(1/4)
    
    Date
    8. 7.2010 19:22:45
  6. Levitt, J.M.; Thelwall, M.; Oppenheim, C.: Variations between subjects in the extent to which the social sciences have become more interdisciplinary (2011) 0.00
    0.0023062793 = product of:
      0.009225117 = sum of:
        0.009225117 = product of:
          0.027675351 = sum of:
            0.027675351 = weight(_text_:29 in 4465) [ClassicSimilarity], result of:
              0.027675351 = score(doc=4465,freq=2.0), product of:
                0.14241669 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.040485885 = queryNorm
                0.19432661 = fieldWeight in 4465, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4465)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Date
    4. 7.2011 19:39:29
  7. Norris, M.; Oppenheim, C.: ¬The h-index : a broad review of a new bibliometric indicator (2010) 0.00
    0.0022855327 = product of:
      0.009142131 = sum of:
        0.009142131 = product of:
          0.027426392 = sum of:
            0.027426392 = weight(_text_:22 in 4147) [ClassicSimilarity], result of:
              0.027426392 = score(doc=4147,freq=2.0), product of:
                0.14177467 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.040485885 = 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)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Date
    8. 1.2011 19:22:13