Search (3 results, page 1 of 1)

  • × author_ss:"Ng, T.D."
  • × author_ss:"Chen, H."
  1. Chen, H.; Lynch, K.J.; Bashu, K.; Ng, T.D.: Generating, integrating, and activating thesauri for concept-based document retrieval (1993) 0.00 
    0.002406438 = product of:
  0.004812876 = sum of:
    0.004812876 = product of:
      0.009625752 = sum of:
        0.009625752 = weight(_text_:s in 8549) [ClassicSimilarity], result of:
          0.009625752 = score(doc=8549,freq=2.0), product of:
            0.05008241 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046063907 = queryNorm
            0.19219826 = fieldWeight in 8549, 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=8549)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    IEEE expert. 8(1993), April, S.25-34
  2. Chen, H.; Martinez, J.; Kirchhoff, A.; Ng, T.D.; Schatz, B.R.: Alleviating search uncertainty through concept associations : automatic indexing, co-occurence analysis, and parallel computing (1998) 0.00 
    9.0241426E-4 = product of:
  0.0018048285 = sum of:
    0.0018048285 = product of:
      0.003609657 = sum of:
        0.003609657 = weight(_text_:s in 5202) [ClassicSimilarity], result of:
          0.003609657 = score(doc=5202,freq=2.0), product of:
            0.05008241 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046063907 = queryNorm
            0.072074346 = fieldWeight in 5202, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=5202)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of the American Society for Information Science. 49(1998) no.3, S.206-216
  3. Chen, H.; Ng, T.D.; Martinez, J.; Schatz, B.R.: ¬A concept space approach to addressing the vocabulary problem in scientific information retrieval : an experiment on the Worm Community System (1997) 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 6492) [ClassicSimilarity], result of:
          0.0030080476 = score(doc=6492,freq=2.0), product of:
            0.05008241 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046063907 = queryNorm
            0.060061958 = fieldWeight in 6492, 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=6492)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of the American Society for Information Science. 48(1997) no.1, S.17-31

Authors

Themes