Search (11 results, page 1 of 1)

  • × author_ss:"Bookstein, A."
  • × theme_ss:"Informetrie"
  1. Bookstein, A.: Informetric distributions : I. Unified overview (1990) 0.03
    0.03150913 = product of:
      0.06301826 = sum of:
        0.06301826 = product of:
          0.094527386 = sum of:
            0.00831092 = weight(_text_:s in 6902) [ClassicSimilarity], result of:
              0.00831092 = score(doc=6902,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.16817348 = fieldWeight in 6902, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.109375 = fieldNorm(doc=6902)
            0.086216465 = weight(_text_:22 in 6902) [ClassicSimilarity], result of:
              0.086216465 = score(doc=6902,freq=2.0), product of:
                0.15917034 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04545348 = queryNorm
                0.5416616 = fieldWeight in 6902, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.109375 = fieldNorm(doc=6902)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    22. 7.2006 18:55:29
    Source
    Journal of the American Society for Information Science. 41(1990) no.5, S.368-375
  2. Bookstein, A.: Informetric distributions : II. Resilience to ambiguity (1990) 0.03
    0.03150913 = product of:
      0.06301826 = sum of:
        0.06301826 = product of:
          0.094527386 = sum of:
            0.00831092 = weight(_text_:s in 4689) [ClassicSimilarity], result of:
              0.00831092 = score(doc=4689,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.16817348 = fieldWeight in 4689, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.109375 = fieldNorm(doc=4689)
            0.086216465 = weight(_text_:22 in 4689) [ClassicSimilarity], result of:
              0.086216465 = score(doc=4689,freq=2.0), product of:
                0.15917034 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04545348 = queryNorm
                0.5416616 = fieldWeight in 4689, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.109375 = fieldNorm(doc=4689)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    22. 7.2006 18:55:55
    Source
    Journal of the American Society for Information Science. 41(1990) no.5, S.376-386
  3. Bookstein, A.: Scientometrics: new opportunities (1994) 0.00
    0.0015830325 = product of:
      0.003166065 = sum of:
        0.003166065 = product of:
          0.009498195 = sum of:
            0.009498195 = weight(_text_:s in 5062) [ClassicSimilarity], result of:
              0.009498195 = score(doc=5062,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.19219826 = fieldWeight in 5062, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.125 = fieldNorm(doc=5062)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Scientometrics. 30(1994) nos.2/3, S.455-460
  4. Bookstein, A.: ¬The bibliometric distributions (1976) 0.00
    7.915163E-4 = product of:
      0.0015830325 = sum of:
        0.0015830325 = product of:
          0.0047490974 = sum of:
            0.0047490974 = weight(_text_:s in 5061) [ClassicSimilarity], result of:
              0.0047490974 = score(doc=5061,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.09609913 = fieldWeight in 5061, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5061)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Library quarterly. 46(1976), S.416-423
  5. Bookstein, A.: Informetric distributions : III. Ambiguity (1997) 0.00
    7.915163E-4 = product of:
      0.0015830325 = sum of:
        0.0015830325 = product of:
          0.0047490974 = sum of:
            0.0047490974 = weight(_text_:s in 6489) [ClassicSimilarity], result of:
              0.0047490974 = score(doc=6489,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.09609913 = fieldWeight in 6489, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0625 = fieldNorm(doc=6489)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science. 48(1997) no.1, S.2-10
  6. Bookstein, A.; Wright, B.: Ambiguity in measurement (1997) 0.00
    7.915163E-4 = product of:
      0.0015830325 = sum of:
        0.0015830325 = product of:
          0.0047490974 = sum of:
            0.0047490974 = weight(_text_:s in 1036) [ClassicSimilarity], result of:
              0.0047490974 = score(doc=1036,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.09609913 = fieldWeight in 1036, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1036)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Scientometrics. 40(1997) no.3, S.369-384
  7. Bookstein, A.: Implications of ambiguity for scientometric measurement (2001) 0.00
    7.915163E-4 = product of:
      0.0015830325 = sum of:
        0.0015830325 = product of:
          0.0047490974 = sum of:
            0.0047490974 = weight(_text_:s in 5199) [ClassicSimilarity], result of:
              0.0047490974 = score(doc=5199,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.09609913 = fieldWeight in 5199, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5199)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.1, S.74-79
  8. Bookstein, A.; Moed, H.; Yitzahki, M.: Measures of international collaboration in scientific literature : part I (2006) 0.00
    7.915163E-4 = product of:
      0.0015830325 = sum of:
        0.0015830325 = product of:
          0.0047490974 = sum of:
            0.0047490974 = weight(_text_:s in 985) [ClassicSimilarity], result of:
              0.0047490974 = score(doc=985,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.09609913 = fieldWeight in 985, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0625 = fieldNorm(doc=985)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information processing and management. 42(2006) no.6, S.1408-1421
  9. Bookstein, A.; Raita, T.: Discovering term occurence structure in text (2001) 0.00
    6.9257664E-4 = product of:
      0.0013851533 = sum of:
        0.0013851533 = product of:
          0.00415546 = sum of:
            0.00415546 = weight(_text_:s in 5751) [ClassicSimilarity], result of:
              0.00415546 = score(doc=5751,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.08408674 = fieldWeight in 5751, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=5751)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.6, S.476-486
  10. Bookstein, A.; Moed, H.; Yitzahki, M.: Measures of international collaboration in scientific literature : part II (2006) 0.00
    6.9257664E-4 = product of:
      0.0013851533 = sum of:
        0.0013851533 = product of:
          0.00415546 = sum of:
            0.00415546 = weight(_text_:s in 989) [ClassicSimilarity], result of:
              0.00415546 = score(doc=989,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.08408674 = fieldWeight in 989, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=989)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information processing and management. 42(2006) no.6, S.1422-1427
  11. Swanson, D.R.; Smalheiser, N.R.; Bookstein, A.: Information discovery from complementary literatures : categorizing viruses as potential weapons (2001) 0.00
    4.9469766E-4 = product of:
      9.893953E-4 = sum of:
        9.893953E-4 = product of:
          0.0029681858 = sum of:
            0.0029681858 = weight(_text_:s in 6513) [ClassicSimilarity], result of:
              0.0029681858 = score(doc=6513,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.060061958 = fieldWeight in 6513, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=6513)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.10, S.797-812