Search (2 results, page 1 of 1)

  • × author_ss:"Croft, W.B."
  • × author_ss:"Liu, X."
  • × type_ss:"a"
  1. Liu, X.; Croft, W.B.: Cluster-based retrieval using language models (2004) 0.00
    0.0020972649 = product of:
      0.006291794 = sum of:
        0.006291794 = weight(_text_:s in 4115) [ClassicSimilarity], result of:
          0.006291794 = score(doc=4115,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.14414869 = fieldWeight in 4115, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.09375 = fieldNorm(doc=4115)
      0.33333334 = coord(1/3)
    
    Pages
    S.186-193
  2. Liu, X.; Croft, W.B.: Statistical language modeling for information retrieval (2004) 0.00
    8.738604E-4 = product of:
      0.002621581 = sum of:
        0.002621581 = weight(_text_:s in 4277) [ClassicSimilarity], result of:
          0.002621581 = score(doc=4277,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.060061958 = fieldWeight in 4277, 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=4277)
      0.33333334 = coord(1/3)
    
    Source
    Annual review of information science and technology. 39(2005), S.3-32