Search (11 results, page 1 of 1)

  • × author_ss:"Bookstein, A."
  • × theme_ss:"Informetrie"
  1. Bookstein, A.: Informetric distributions : I. Unified overview (1990) 0.05
    0.050999753 = product of:
      0.10199951 = sum of:
        0.10199951 = sum of:
          0.014706998 = weight(_text_:e in 6902) [ClassicSimilarity], result of:
            0.014706998 = score(doc=6902,freq=2.0), product of:
              0.06614887 = queryWeight, product of:
                1.43737 = idf(docFreq=28552, maxDocs=44218)
                0.04602077 = queryNorm
              0.2223318 = fieldWeight in 6902, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                1.43737 = idf(docFreq=28552, maxDocs=44218)
                0.109375 = fieldNorm(doc=6902)
          0.08729251 = weight(_text_:22 in 6902) [ClassicSimilarity], result of:
            0.08729251 = score(doc=6902,freq=2.0), product of:
              0.1611569 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.04602077 = 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
    Language
    e
  2. Bookstein, A.: Informetric distributions : II. Resilience to ambiguity (1990) 0.05
    0.050999753 = product of:
      0.10199951 = sum of:
        0.10199951 = sum of:
          0.014706998 = weight(_text_:e in 4689) [ClassicSimilarity], result of:
            0.014706998 = score(doc=4689,freq=2.0), product of:
              0.06614887 = queryWeight, product of:
                1.43737 = idf(docFreq=28552, maxDocs=44218)
                0.04602077 = queryNorm
              0.2223318 = fieldWeight in 4689, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                1.43737 = idf(docFreq=28552, maxDocs=44218)
                0.109375 = fieldNorm(doc=4689)
          0.08729251 = weight(_text_:22 in 4689) [ClassicSimilarity], result of:
            0.08729251 = score(doc=4689,freq=2.0), product of:
              0.1611569 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.04602077 = 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
    Language
    e
  3. Bookstein, A.: Scientometrics: new opportunities (1994) 0.00
    0.0042019994 = product of:
      0.008403999 = sum of:
        0.008403999 = product of:
          0.016807998 = sum of:
            0.016807998 = weight(_text_:e in 5062) [ClassicSimilarity], result of:
              0.016807998 = score(doc=5062,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.2540935 = fieldWeight in 5062, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.125 = fieldNorm(doc=5062)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  4. Bookstein, A.: ¬The bibliometric distributions (1976) 0.00
    0.0021009997 = product of:
      0.0042019994 = sum of:
        0.0042019994 = product of:
          0.008403999 = sum of:
            0.008403999 = weight(_text_:e in 5061) [ClassicSimilarity], result of:
              0.008403999 = score(doc=5061,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.12704675 = fieldWeight in 5061, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5061)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  5. Bookstein, A.: Informetric distributions : III. Ambiguity (1997) 0.00
    0.0021009997 = product of:
      0.0042019994 = sum of:
        0.0042019994 = product of:
          0.008403999 = sum of:
            0.008403999 = weight(_text_:e in 6489) [ClassicSimilarity], result of:
              0.008403999 = score(doc=6489,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.12704675 = fieldWeight in 6489, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0625 = fieldNorm(doc=6489)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  6. Bookstein, A.; Wright, B.: Ambiguity in measurement (1997) 0.00
    0.0021009997 = product of:
      0.0042019994 = sum of:
        0.0042019994 = product of:
          0.008403999 = sum of:
            0.008403999 = weight(_text_:e in 1036) [ClassicSimilarity], result of:
              0.008403999 = score(doc=1036,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.12704675 = fieldWeight in 1036, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1036)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  7. Bookstein, A.: Implications of ambiguity for scientometric measurement (2001) 0.00
    0.0021009997 = product of:
      0.0042019994 = sum of:
        0.0042019994 = product of:
          0.008403999 = sum of:
            0.008403999 = weight(_text_:e in 5199) [ClassicSimilarity], result of:
              0.008403999 = score(doc=5199,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.12704675 = fieldWeight in 5199, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5199)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  8. Bookstein, A.; Moed, H.; Yitzahki, M.: Measures of international collaboration in scientific literature : part I (2006) 0.00
    0.0021009997 = product of:
      0.0042019994 = sum of:
        0.0042019994 = product of:
          0.008403999 = sum of:
            0.008403999 = weight(_text_:e in 985) [ClassicSimilarity], result of:
              0.008403999 = score(doc=985,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.12704675 = fieldWeight in 985, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0625 = fieldNorm(doc=985)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  9. Bookstein, A.; Raita, T.: Discovering term occurence structure in text (2001) 0.00
    0.0018383748 = product of:
      0.0036767495 = sum of:
        0.0036767495 = product of:
          0.007353499 = sum of:
            0.007353499 = weight(_text_:e in 5751) [ClassicSimilarity], result of:
              0.007353499 = score(doc=5751,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.1111659 = fieldWeight in 5751, 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=5751)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  10. Bookstein, A.; Moed, H.; Yitzahki, M.: Measures of international collaboration in scientific literature : part II (2006) 0.00
    0.0018383748 = product of:
      0.0036767495 = sum of:
        0.0036767495 = product of:
          0.007353499 = sum of:
            0.007353499 = weight(_text_:e in 989) [ClassicSimilarity], result of:
              0.007353499 = score(doc=989,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.1111659 = fieldWeight in 989, 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=989)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  11. Swanson, D.R.; Smalheiser, N.R.; Bookstein, A.: Information discovery from complementary literatures : categorizing viruses as potential weapons (2001) 0.00
    0.0013131249 = product of:
      0.0026262498 = sum of:
        0.0026262498 = product of:
          0.0052524996 = sum of:
            0.0052524996 = weight(_text_:e in 6513) [ClassicSimilarity], result of:
              0.0052524996 = score(doc=6513,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.07940422 = fieldWeight in 6513, 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=6513)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e