Search (4 results, page 1 of 1)

  • × year_i:[2000 TO 2010}
  • × author_ss:"Xu, J."
  1. Xu, J.; Weischedel, R.; Licuanan, A.: Evaluation of an extraction-based approach to answering definitional questions (2004) 0.01
    0.008324681 = product of:
      0.016649362 = sum of:
        0.016649362 = product of:
          0.049948085 = sum of:
            0.049948085 = weight(_text_:j in 4107) [ClassicSimilarity], result of:
              0.049948085 = score(doc=4107,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.35106707 = fieldWeight in 4107, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.078125 = fieldNorm(doc=4107)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  2. Schroeder, J.; Xu, J.; Chen, H.; Chau, M.: Automated criminal link analysis based on domain knowledge (2007) 0.01
    0.007063727 = product of:
      0.014127454 = sum of:
        0.014127454 = product of:
          0.04238236 = sum of:
            0.04238236 = weight(_text_:j in 275) [ClassicSimilarity], result of:
              0.04238236 = score(doc=275,freq=4.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.2978903 = fieldWeight in 275, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.046875 = fieldNorm(doc=275)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  3. Xu, J.; Croft, W.B.: Topic-based language models for distributed retrieval (2000) 0.00
    0.0049948087 = product of:
      0.009989617 = sum of:
        0.009989617 = product of:
          0.029968852 = sum of:
            0.029968852 = weight(_text_:j in 38) [ClassicSimilarity], result of:
              0.029968852 = score(doc=38,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.21064025 = fieldWeight in 38, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.046875 = fieldNorm(doc=38)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  4. Xu, J.; Weischedel, R.: Empirical studies on the impact of lexical resources on CLIR performance (2005) 0.00
    0.0049948087 = product of:
      0.009989617 = sum of:
        0.009989617 = product of:
          0.029968852 = sum of:
            0.029968852 = weight(_text_:j in 1020) [ClassicSimilarity], result of:
              0.029968852 = score(doc=1020,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.21064025 = fieldWeight in 1020, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1020)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)