Search (9 results, page 1 of 1)

  • × author_ss:"Luk, R.W.P."
  1. Dang, E.K.F.; Luk, R.W.P.; Ho, K.S.; Chan, S.C.F.; Lee, D.L.: ¬A new measure of clustering effectiveness : algorithms and experimental studies (2008) 0.00
    0.0010528166 = product of:
      0.0021056333 = sum of:
        0.0021056333 = product of:
          0.0042112665 = sum of:
            0.0042112665 = weight(_text_:s in 1367) [ClassicSimilarity], result of:
              0.0042112665 = score(doc=1367,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.08408674 = fieldWeight in 1367, 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=1367)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and Technology. 59(2008) no.3, S.390-406
  2. Dang, E.K.F.; Luk, R.W.P.; Allan, J.: ¬A retrieval model family based on the probability ranking principle for ad hoc retrieval (2022) 0.00
    0.0010528166 = product of:
      0.0021056333 = sum of:
        0.0021056333 = product of:
          0.0042112665 = sum of:
            0.0042112665 = weight(_text_:s in 638) [ClassicSimilarity], result of:
              0.0042112665 = score(doc=638,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.08408674 = fieldWeight in 638, 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=638)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 73(2022) no.8, S.1140-1154
  3. Luk, R.W.P.; Leong, H.V.; Dillon, T.S.; Chan, A.T.S.; Croft, W.B.; Allen, J.: ¬A survey in indexing and searching XML documents (2002) 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 460) [ClassicSimilarity], result of:
              0.003609657 = score(doc=460,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.072074346 = fieldWeight in 460, 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=460)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and technology. 53(2002) no.6, S.415-437
  4. Wu, H.C.; Luk, R.W.P.; Wong, K.F,; Kwok, K.L.: ¬A retrospective study of a hybrid document-context based retrieval model (2007) 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 936) [ClassicSimilarity], result of:
              0.0030080476 = score(doc=936,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.060061958 = fieldWeight in 936, 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=936)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Information processing and management. 43(2007) no.5, S.1308-1331
  5. Lan, K.C.; Ho, K.S.; Luk, R.W.P.; Leong, H.V.: Dialogue act recognition using maximum entropy (2008) 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 1717) [ClassicSimilarity], result of:
              0.0030080476 = score(doc=1717,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.060061958 = fieldWeight in 1717, 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=1717)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and Technology. 59(2008) no.6, S.859-874
  6. Wong, W.S.; Luk, R.W.P.; Leong, H.V.; Ho, K.S.; Lee, D.L.: Re-examining the effects of adding relevance information in a relevance feedback environment (2008) 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 2084) [ClassicSimilarity], result of:
              0.0030080476 = score(doc=2084,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.060061958 = fieldWeight in 2084, 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=2084)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Information processing and management. 44(2008) no.3, S.1086-1116
  7. Dang, E.K.F.; Luk, R.W.P.; Allan, J.; Ho, K.S.; Chung, K.F.L.; Lee, D.L.: ¬A new context-dependent term weight computed by boost and discount using relevance information (2010) 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 4120) [ClassicSimilarity], result of:
              0.0030080476 = score(doc=4120,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.060061958 = fieldWeight in 4120, 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=4120)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and Technology. 61(2010) no.12, S.2514-2530
  8. Dang, E.K.F.; Luk, R.W.P.; Allan, J.: Beyond bag-of-words : bigram-enhanced context-dependent term weights (2014) 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 1283) [ClassicSimilarity], result of:
              0.0030080476 = score(doc=1283,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.060061958 = fieldWeight in 1283, 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=1283)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 65(2014) no.6, S.1134-1148
  9. Dang, E.K.F.; Luk, R.W.P.; Allan, J.: ¬A context-dependent relevance model (2016) 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 2778) [ClassicSimilarity], result of:
              0.0030080476 = score(doc=2778,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.060061958 = fieldWeight in 2778, 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=2778)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 67(2016) no.3, S.582-593