Search (9 results, page 1 of 1)

Oppenheim, C.: Using the h-Index to rank influential British researchers in information science and librarianship (2007) 0.01

0.013815407 = product of:
  0.04144622 = sum of:
    0.04144622 = product of:
      0.08289244 = sum of:
        0.08289244 = weight(_text_:2007 in 780) [ClassicSimilarity], result of:
          0.08289244 = score(doc=780,freq=5.0), product of:
            0.1751764 = queryWeight, product of:
              4.514535 = idf(docFreq=1315, maxDocs=44218)
              0.038802754 = queryNorm
            0.47319412 = fieldWeight in 780, product of:
              2.236068 = tf(freq=5.0), with freq of:
                5.0 = termFreq=5.0
              4.514535 = idf(docFreq=1315, maxDocs=44218)
              0.046875 = fieldNorm(doc=780)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Source: Journal of the American Society for Information Science and Technology. 58(2007) no.2, S.297-301
Year: 2007

Johnson, B.; Oppenheim, C.: How socially connected are citers to those that they cite? (2007) 0.01

0.011512838 = product of:
  0.034538515 = sum of:
    0.034538515 = product of:
      0.06907703 = sum of:
        0.06907703 = weight(_text_:2007 in 839) [ClassicSimilarity], result of:
          0.06907703 = score(doc=839,freq=5.0), product of:
            0.1751764 = queryWeight, product of:
              4.514535 = idf(docFreq=1315, maxDocs=44218)
              0.038802754 = queryNorm
            0.39432842 = fieldWeight in 839, product of:
              2.236068 = tf(freq=5.0), with freq of:
                5.0 = termFreq=5.0
              4.514535 = idf(docFreq=1315, maxDocs=44218)
              0.0390625 = fieldNorm(doc=839)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Source: Journal of documentation. 63(2007) no.5, S.609-637
Year: 2007

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) 0.01

0.009210272 = product of:
  0.027630813 = sum of:
    0.027630813 = product of:
      0.055261627 = sum of:
        0.055261627 = weight(_text_:2007 in 838) [ClassicSimilarity], result of:
          0.055261627 = score(doc=838,freq=5.0), product of:
            0.1751764 = queryWeight, product of:
              4.514535 = idf(docFreq=1315, maxDocs=44218)
              0.038802754 = queryNorm
            0.31546274 = fieldWeight in 838, product of:
              2.236068 = tf(freq=5.0), with freq of:
                5.0 = termFreq=5.0
              4.514535 = idf(docFreq=1315, maxDocs=44218)
              0.03125 = fieldNorm(doc=838)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Source: Journal of documentation. 63(2007) no.4, S.558-589
Year: 2007

Oppenheim, C.: ¬The implications of copyright legislation for electronic access to journal collections (1994) 0.00

0.0046731005 = product of:
  0.014019301 = sum of:
    0.014019301 = product of:
      0.0420579 = sum of:
        0.0420579 = weight(_text_:22 in 7245) [ClassicSimilarity], result of:
          0.0420579 = score(doc=7245,freq=2.0), product of:
            0.13588063 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.038802754 = 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)
  0.33333334 = coord(1/3)

Source: Journal of document and text management. 2(1994) no.1, S.10-22

Oppenheim, C.: ¬An agenda for action to achieve the information society in the UK (1996) 0.00

0.0046731005 = product of:
  0.014019301 = sum of:
    0.014019301 = product of:
      0.0420579 = sum of:
        0.0420579 = weight(_text_:22 in 7670) [ClassicSimilarity], result of:
          0.0420579 = score(doc=7670,freq=2.0), product of:
            0.13588063 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.038802754 = 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)
  0.33333334 = coord(1/3)

Source: Journal of information science. 22(1996) no.6, S.407-421

Oppenheim, C.: Intellectual property : legal and other issues (1997) 0.00

0.0035048248 = product of:
  0.0105144745 = sum of:
    0.0105144745 = product of:
      0.031543422 = sum of:
        0.031543422 = weight(_text_:22 in 42) [ClassicSimilarity], result of:
          0.031543422 = score(doc=42,freq=2.0), product of:
            0.13588063 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.038802754 = 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)
  0.33333334 = coord(1/3)

Source: Information studies. 3(1997) no.1, S.5-22

Oppenheim, C.: Electronic scholarly publishing and open access (2009) 0.00

0.0035048248 = product of:
  0.0105144745 = sum of:
    0.0105144745 = product of:
      0.031543422 = sum of:
        0.031543422 = weight(_text_:22 in 3662) [ClassicSimilarity], result of:
          0.031543422 = score(doc=3662,freq=2.0), product of:
            0.13588063 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.038802754 = 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)
  0.33333334 = coord(1/3)

Date: 8. 7.2010 19:22:45

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

0.0029471999 = product of:
  0.008841599 = sum of:
    0.008841599 = product of:
      0.026524797 = sum of:
        0.026524797 = weight(_text_:29 in 4465) [ClassicSimilarity], result of:
          0.026524797 = score(doc=4465,freq=2.0), product of:
            0.13649596 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.038802754 = 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)
  0.33333334 = coord(1/3)

Date: 4. 7.2011 19:39:29

Norris, M.; Oppenheim, C.: ¬The h-index : a broad review of a new bibliometric indicator (2010) 0.00

0.002920688 = product of:
  0.008762063 = sum of:
    0.008762063 = product of:
      0.026286189 = sum of:
        0.026286189 = weight(_text_:22 in 4147) [ClassicSimilarity], result of:
          0.026286189 = score(doc=4147,freq=2.0), product of:
            0.13588063 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.038802754 = 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)
  0.33333334 = coord(1/3)

Date: 8. 1.2011 19:22:13

Search (9 results, page 1 of 1)

Authors

Years

Themes