Search (9 results, page 1 of 1)

  • × author_ss:"Oppenheim, C."
  • × type_ss:"a"
  1. Norris, M.; Oppenheim, C.: ¬The h-index : a broad review of a new bibliometric indicator (2010) 0.02
    0.019155305 = product of:
      0.03831061 = sum of:
        0.03831061 = sum of:
          0.012854583 = weight(_text_:m in 4147) [ClassicSimilarity], result of:
            0.012854583 = score(doc=4147,freq=2.0), product of:
              0.09350918 = queryWeight, product of:
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.0375773 = queryNorm
              0.13746867 = fieldWeight in 4147, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.0390625 = fieldNorm(doc=4147)
          0.025456028 = weight(_text_:22 in 4147) [ClassicSimilarity], result of:
            0.025456028 = score(doc=4147,freq=2.0), product of:
              0.13158931 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.0375773 = 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)
      0.5 = coord(1/2)
    
    Date
    8. 1.2011 19:22:13
  2. Oppenheim, C.: ¬The implications of copyright legislation for electronic access to journal collections (1994) 0.01
    0.010182411 = product of:
      0.020364823 = sum of:
        0.020364823 = product of:
          0.040729646 = sum of:
            0.040729646 = weight(_text_:22 in 7245) [ClassicSimilarity], result of:
              0.040729646 = score(doc=7245,freq=2.0), product of:
                0.13158931 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0375773 = 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)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    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) 0.01
    0.010182411 = product of:
      0.020364823 = sum of:
        0.020364823 = product of:
          0.040729646 = sum of:
            0.040729646 = weight(_text_:22 in 7670) [ClassicSimilarity], result of:
              0.040729646 = score(doc=7670,freq=2.0), product of:
                0.13158931 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0375773 = 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)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of information science. 22(1996) no.6, S.407-421
  4. Oppenheim, C.: Intellectual property : legal and other issues (1997) 0.01
    0.0076368083 = product of:
      0.015273617 = sum of:
        0.015273617 = product of:
          0.030547233 = sum of:
            0.030547233 = weight(_text_:22 in 42) [ClassicSimilarity], result of:
              0.030547233 = score(doc=42,freq=2.0), product of:
                0.13158931 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0375773 = 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)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Information studies. 3(1997) no.1, S.5-22
  5. Oppenheim, C.: Electronic scholarly publishing and open access (2009) 0.01
    0.0076368083 = product of:
      0.015273617 = sum of:
        0.015273617 = product of:
          0.030547233 = sum of:
            0.030547233 = weight(_text_:22 in 3662) [ClassicSimilarity], result of:
              0.030547233 = score(doc=3662,freq=2.0), product of:
                0.13158931 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0375773 = 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)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    8. 7.2010 19:22:45
  6. Summers, R.; Oppenheim, C.; Meadows, J.; McKnight, C.; Kinnell, M.: Information science in 2010 : a Loughborough University view (1999) 0.01
    0.0064272913 = product of:
      0.012854583 = sum of:
        0.012854583 = product of:
          0.025709165 = sum of:
            0.025709165 = weight(_text_:m in 4343) [ClassicSimilarity], result of:
              0.025709165 = score(doc=4343,freq=2.0), product of:
                0.09350918 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0375773 = queryNorm
                0.27493733 = fieldWeight in 4343, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.078125 = fieldNorm(doc=4343)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  7. Norris, M.; Oppenheim, C.; Rowland, F.: ¬The citation advantage of open-access articles (2008) 0.00
    0.0032136457 = product of:
      0.0064272913 = sum of:
        0.0064272913 = product of:
          0.012854583 = sum of:
            0.012854583 = weight(_text_:m in 2374) [ClassicSimilarity], result of:
              0.012854583 = score(doc=2374,freq=2.0), product of:
                0.09350918 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0375773 = queryNorm
                0.13746867 = fieldWeight in 2374, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2374)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  8. 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
    0.0032136457 = product of:
      0.0064272913 = sum of:
        0.0064272913 = product of:
          0.012854583 = sum of:
            0.012854583 = weight(_text_:m in 4465) [ClassicSimilarity], result of:
              0.012854583 = score(doc=4465,freq=2.0), product of:
                0.09350918 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0375773 = queryNorm
                0.13746867 = fieldWeight in 4465, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4465)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  9. Zuccala, A.; Thelwall, M.; Oppenheim, C.; Dhiensa, R.: Web intelligence analyses of digital libraries : a case study of the National electronic Library for Health (NeLH) (2007) 0.00
    0.0025709164 = product of:
      0.005141833 = sum of:
        0.005141833 = product of:
          0.010283666 = sum of:
            0.010283666 = weight(_text_:m in 838) [ClassicSimilarity], result of:
              0.010283666 = score(doc=838,freq=2.0), product of:
                0.09350918 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0375773 = queryNorm
                0.10997493 = fieldWeight in 838, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.03125 = fieldNorm(doc=838)
          0.5 = coord(1/2)
      0.5 = coord(1/2)