Search (3 results, page 1 of 1)

  • × author_ss:"Bookstein, A."
  • × author_ss:"Swanson, D.R."
  1. Bookstein, A.; Swanson, D.R.: Probabilistic models for automatic indexing (1974) 0.00
    0.002406438 = product of:
      0.004812876 = sum of:
        0.004812876 = product of:
          0.009625752 = sum of:
            0.009625752 = weight(_text_:s in 5466) [ClassicSimilarity], result of:
              0.009625752 = score(doc=5466,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.19219826 = fieldWeight in 5466, 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=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
  2. Bookstein, A.; Swanson, D.R.: ¬A decision theoretic foundation for indexing (1975) 0.00
    0.0010528166 = product of:
      0.0021056333 = sum of:
        0.0021056333 = product of:
          0.0042112665 = sum of:
            0.0042112665 = weight(_text_:s in 76) [ClassicSimilarity], result of:
              0.0042112665 = score(doc=76,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.08408674 = fieldWeight in 76, 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=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
  3. Swanson, D.R.; Smalheiser, N.R.; Bookstein, A.: Information discovery from complementary literatures : categorizing viruses as potential weapons (2001) 0.00
    7.520119E-4 = product of:
      0.0015040238 = sum of:
        0.0015040238 = product of:
          0.0030080476 = sum of:
            0.0030080476 = weight(_text_:s in 6513) [ClassicSimilarity], result of:
              0.0030080476 = score(doc=6513,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = 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)
          0.5 = 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