Search (6 results, page 1 of 1)

  • × theme_ss:"Elektronisches Publizieren"
  • × theme_ss:"Informetrie"
  • × year_i:[2000 TO 2010}
  1. Sotudeh, H.; Horri, A.: ¬The citation performance of open access journals : a disciplinary investigation of citation distribution models (2007) 0.00
    0.0031514994 = product of:
      0.006302999 = sum of:
        0.006302999 = product of:
          0.012605998 = sum of:
            0.012605998 = weight(_text_:e in 4479) [ClassicSimilarity], result of:
              0.012605998 = score(doc=4479,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.19057012 = fieldWeight in 4479, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.09375 = fieldNorm(doc=4479)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  2. Zhao, D.: Challenges of scholarly publications on the Web to the evaluation of science : a comparison of author visibility on the Web and in print journals (2005) 0.00
    0.0018383748 = product of:
      0.0036767495 = sum of:
        0.0036767495 = product of:
          0.007353499 = sum of:
            0.007353499 = weight(_text_:e in 1065) [ClassicSimilarity], result of:
              0.007353499 = score(doc=1065,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.1111659 = fieldWeight in 1065, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1065)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  3. Frandsen, T.F.: ¬The integration of open access journals in the scholarly communication system : three science fields (2009) 0.00
    0.0015757497 = product of:
      0.0031514994 = sum of:
        0.0031514994 = product of:
          0.006302999 = sum of:
            0.006302999 = weight(_text_:e in 4210) [ClassicSimilarity], result of:
              0.006302999 = score(doc=4210,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.09528506 = fieldWeight in 4210, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4210)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  4. Moed, H.F.: ¬The effect of "open access" on citation impact : an analysis of ArXiv's condensed matter section (2007) 0.00
    0.0013131249 = product of:
      0.0026262498 = sum of:
        0.0026262498 = product of:
          0.0052524996 = sum of:
            0.0052524996 = weight(_text_:e in 621) [ClassicSimilarity], result of:
              0.0052524996 = score(doc=621,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.07940422 = fieldWeight in 621, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=621)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  5. Zhang, Y.: ¬The effect of open access on citation impact : a comparison study based on Web citation analysis (2006) 0.00
    0.0013131249 = product of:
      0.0026262498 = sum of:
        0.0026262498 = product of:
          0.0052524996 = sum of:
            0.0052524996 = weight(_text_:e in 5071) [ClassicSimilarity], result of:
              0.0052524996 = score(doc=5071,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.07940422 = fieldWeight in 5071, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=5071)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  6. Lawrence, S.: Online or Invisible? (2001) 0.00
    0.0010504998 = product of:
      0.0021009997 = sum of:
        0.0021009997 = product of:
          0.0042019994 = sum of:
            0.0042019994 = weight(_text_:e in 1063) [ClassicSimilarity], result of:
              0.0042019994 = score(doc=1063,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.063523374 = fieldWeight in 1063, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03125 = fieldNorm(doc=1063)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e