Search (14 results, page 1 of 1)

  • × author_ss:"Bookstein, A."
  1. Bookstein, A.: Informetric distributions : I. Unified overview (1990) 0.09
    0.09416957 = product of:
      0.18833914 = sum of:
        0.18833914 = sum of:
          0.089581564 = weight(_text_:society in 6902) [ClassicSimilarity], result of:
            0.089581564 = score(doc=6902,freq=2.0), product of:
              0.17364666 = queryWeight, product of:
                3.3351789 = idf(docFreq=4279, maxDocs=44218)
                0.05206517 = queryNorm
              0.51588416 = fieldWeight in 6902, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.3351789 = idf(docFreq=4279, maxDocs=44218)
                0.109375 = fieldNorm(doc=6902)
          0.09875757 = weight(_text_:22 in 6902) [ClassicSimilarity], result of:
            0.09875757 = score(doc=6902,freq=2.0), product of:
              0.18232337 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.05206517 = 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)
      0.5 = 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) 0.09
    0.09416957 = product of:
      0.18833914 = sum of:
        0.18833914 = sum of:
          0.089581564 = weight(_text_:society in 4689) [ClassicSimilarity], result of:
            0.089581564 = score(doc=4689,freq=2.0), product of:
              0.17364666 = queryWeight, product of:
                3.3351789 = idf(docFreq=4279, maxDocs=44218)
                0.05206517 = queryNorm
              0.51588416 = fieldWeight in 4689, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.3351789 = idf(docFreq=4279, maxDocs=44218)
                0.109375 = fieldNorm(doc=4689)
          0.09875757 = weight(_text_:22 in 4689) [ClassicSimilarity], result of:
            0.09875757 = score(doc=4689,freq=2.0), product of:
              0.18232337 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.05206517 = 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)
      0.5 = 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.: Relevance (1979) 0.03
    0.025594732 = product of:
      0.051189464 = sum of:
        0.051189464 = product of:
          0.10237893 = sum of:
            0.10237893 = weight(_text_:society in 839) [ClassicSimilarity], result of:
              0.10237893 = score(doc=839,freq=2.0), product of:
                0.17364666 = queryWeight, product of:
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.05206517 = queryNorm
                0.5895819 = fieldWeight in 839, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.125 = fieldNorm(doc=839)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science. 30(1979), S.269-273
  4. Bookstein, A.; Swanson, D.R.: Probabilistic models for automatic indexing (1974) 0.03
    0.025594732 = product of:
      0.051189464 = sum of:
        0.051189464 = product of:
          0.10237893 = sum of:
            0.10237893 = weight(_text_:society in 5466) [ClassicSimilarity], result of:
              0.10237893 = score(doc=5466,freq=2.0), product of:
                0.17364666 = queryWeight, product of:
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.05206517 = queryNorm
                0.5895819 = fieldWeight in 5466, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.125 = fieldNorm(doc=5466)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science. 25(1974), S.312-318
  5. Bookstein, A.: Fuzzy requests : an approach to weighted Boolean searches (1979) 0.01
    0.012797366 = product of:
      0.025594732 = sum of:
        0.025594732 = product of:
          0.051189464 = sum of:
            0.051189464 = weight(_text_:society in 5504) [ClassicSimilarity], result of:
              0.051189464 = score(doc=5504,freq=2.0), product of:
                0.17364666 = queryWeight, product of:
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.05206517 = queryNorm
                0.29479095 = fieldWeight in 5504, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5504)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science. 30(1979), S.240-247
  6. Bookstein, A.: Informetric distributions : III. Ambiguity (1997) 0.01
    0.012797366 = product of:
      0.025594732 = sum of:
        0.025594732 = product of:
          0.051189464 = sum of:
            0.051189464 = weight(_text_:society in 6489) [ClassicSimilarity], result of:
              0.051189464 = score(doc=6489,freq=2.0), product of:
                0.17364666 = queryWeight, product of:
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.05206517 = queryNorm
                0.29479095 = fieldWeight in 6489, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.0625 = fieldNorm(doc=6489)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science. 48(1997) no.1, S.2-10
  7. Bookstein, A.; Wright, B.: Ambiguity in measurement (1997) 0.01
    0.012797366 = product of:
      0.025594732 = sum of:
        0.025594732 = product of:
          0.051189464 = sum of:
            0.051189464 = weight(_text_:society in 1036) [ClassicSimilarity], result of:
              0.051189464 = score(doc=1036,freq=2.0), product of:
                0.17364666 = queryWeight, product of:
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.05206517 = queryNorm
                0.29479095 = fieldWeight in 1036, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1036)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Footnote
    Extends the keynote address delivered at the 6th conference of the International Society for Scientometrics and Informetrics, Jerusalem, 16-19 June 1997
  8. Bookstein, A.: Implications of ambiguity for scientometric measurement (2001) 0.01
    0.012797366 = product of:
      0.025594732 = sum of:
        0.025594732 = product of:
          0.051189464 = sum of:
            0.051189464 = weight(_text_:society in 5199) [ClassicSimilarity], result of:
              0.051189464 = score(doc=5199,freq=2.0), product of:
                0.17364666 = queryWeight, product of:
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.05206517 = queryNorm
                0.29479095 = fieldWeight in 5199, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5199)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.1, S.74-79
  9. Bookstein, A.; Swanson, D.R.: ¬A decision theoretic foundation for indexing (1975) 0.01
    0.0111976955 = product of:
      0.022395391 = sum of:
        0.022395391 = product of:
          0.044790782 = sum of:
            0.044790782 = weight(_text_:society in 76) [ClassicSimilarity], result of:
              0.044790782 = score(doc=76,freq=2.0), product of:
                0.17364666 = queryWeight, product of:
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.05206517 = queryNorm
                0.25794208 = fieldWeight in 76, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=76)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science. 26(1975), S.45-50
  10. Bookstein, A.: Bibliocryptography (1996) 0.01
    0.0111976955 = product of:
      0.022395391 = sum of:
        0.022395391 = product of:
          0.044790782 = sum of:
            0.044790782 = weight(_text_:society in 6502) [ClassicSimilarity], result of:
              0.044790782 = score(doc=6502,freq=2.0), product of:
                0.17364666 = queryWeight, product of:
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.05206517 = queryNorm
                0.25794208 = fieldWeight in 6502, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=6502)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science. 47(1996) no.12, S.886-895
  11. Bookstein, A.; Klein, S.T.; Raita, T.: Clumping properties of content-bearing words (1998) 0.01
    0.0111976955 = product of:
      0.022395391 = sum of:
        0.022395391 = product of:
          0.044790782 = sum of:
            0.044790782 = weight(_text_:society in 442) [ClassicSimilarity], result of:
              0.044790782 = score(doc=442,freq=2.0), product of:
                0.17364666 = queryWeight, product of:
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.05206517 = queryNorm
                0.25794208 = fieldWeight in 442, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=442)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science. 49(1998) no.2, S.102-114
  12. Bookstein, A.; Raita, T.: Discovering term occurence structure in text (2001) 0.01
    0.0111976955 = product of:
      0.022395391 = sum of:
        0.022395391 = product of:
          0.044790782 = sum of:
            0.044790782 = weight(_text_:society in 5751) [ClassicSimilarity], result of:
              0.044790782 = score(doc=5751,freq=2.0), product of:
                0.17364666 = queryWeight, product of:
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.05206517 = queryNorm
                0.25794208 = fieldWeight in 5751, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=5751)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.6, S.476-486
  13. Bookstein, A.; Kulyukin, V.; Raita, T.; Nicholson, J.: Adapting measures of clumping strength to assess term-term similarity (2003) 0.01
    0.009598024 = product of:
      0.019196048 = sum of:
        0.019196048 = product of:
          0.038392097 = sum of:
            0.038392097 = weight(_text_:society in 1609) [ClassicSimilarity], result of:
              0.038392097 = score(doc=1609,freq=2.0), product of:
                0.17364666 = queryWeight, product of:
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.05206517 = queryNorm
                0.22109321 = fieldWeight in 1609, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1609)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and technology. 54(2003) no.7, S.611-620
  14. Swanson, D.R.; Smalheiser, N.R.; Bookstein, A.: Information discovery from complementary literatures : categorizing viruses as potential weapons (2001) 0.01
    0.007998354 = product of:
      0.015996708 = sum of:
        0.015996708 = product of:
          0.031993415 = sum of:
            0.031993415 = weight(_text_:society in 6513) [ClassicSimilarity], result of:
              0.031993415 = score(doc=6513,freq=2.0), product of:
                0.17364666 = queryWeight, product of:
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.05206517 = queryNorm
                0.18424435 = fieldWeight in 6513, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3351789 = idf(docFreq=4279, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=6513)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.10, S.797-812