Search (10 results, page 1 of 1)

  • × author_ss:"Xu, J."
  • × language_ss:"e"
  1. Xu, J.; Weischedel, R.; Licuanan, A.: Evaluation of an extraction-based approach to answering definitional questions (2004) 0.02
    0.023310876 = product of:
      0.04662175 = sum of:
        0.04662175 = product of:
          0.069932625 = sum of:
            0.063996255 = weight(_text_:k in 4107) [ClassicSimilarity], result of:
              0.063996255 = score(doc=4107,freq=2.0), product of:
                0.16225883 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04545348 = queryNorm
                0.39440846 = fieldWeight in 4107, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.078125 = fieldNorm(doc=4107)
            0.0059363716 = weight(_text_:s in 4107) [ClassicSimilarity], result of:
              0.0059363716 = score(doc=4107,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.120123915 = fieldWeight in 4107, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.078125 = fieldNorm(doc=4107)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Pages
    S.418-424
    Source
    SIGIR'04: Proceedings of the 27th Annual International ACM-SIGIR Conference an Research and Development in Information Retrieval. Ed.: K. Järvelin, u.a
  2. Allan, J.; Callan, J.P.; Croft, W.B.; Ballesteros, L.; Broglio, J.; Xu, J.; Shu, H.: INQUERY at TREC-5 (1997) 0.02
    0.02250652 = product of:
      0.04501304 = sum of:
        0.04501304 = product of:
          0.06751956 = sum of:
            0.0059363716 = weight(_text_:s in 3103) [ClassicSimilarity], result of:
              0.0059363716 = score(doc=3103,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.120123915 = fieldWeight in 3103, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3103)
            0.06158319 = weight(_text_:22 in 3103) [ClassicSimilarity], result of:
              0.06158319 = score(doc=3103,freq=2.0), product of:
                0.15917034 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04545348 = queryNorm
                0.38690117 = fieldWeight in 3103, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3103)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    27. 2.1999 20:55:22
    Pages
    S.191-197
  3. Xu, J.; Croft, W.B.: Topic-based language models for distributed retrieval (2000) 0.00
    5.936372E-4 = product of:
      0.0011872743 = sum of:
        0.0011872743 = product of:
          0.003561823 = sum of:
            0.003561823 = weight(_text_:s in 38) [ClassicSimilarity], result of:
              0.003561823 = score(doc=38,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.072074346 = fieldWeight in 38, 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=38)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Pages
    S.151-172
  4. Schroeder, J.; Xu, J.; Chen, H.; Chau, M.: Automated criminal link analysis based on domain knowledge (2007) 0.00
    5.936372E-4 = product of:
      0.0011872743 = sum of:
        0.0011872743 = product of:
          0.003561823 = sum of:
            0.003561823 = weight(_text_:s in 275) [ClassicSimilarity], result of:
              0.003561823 = score(doc=275,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.072074346 = fieldWeight in 275, 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=275)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and Technology. 58(2007) no.6, S.842-855
  5. Xu, J.; Weischedel, R.: Empirical studies on the impact of lexical resources on CLIR performance (2005) 0.00
    5.936372E-4 = product of:
      0.0011872743 = sum of:
        0.0011872743 = product of:
          0.003561823 = sum of:
            0.003561823 = weight(_text_:s in 1020) [ClassicSimilarity], result of:
              0.003561823 = score(doc=1020,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.072074346 = fieldWeight in 1020, 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=1020)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information processing and management. 41(2005) no.3, S.475-488
  6. Zhang, C.; Bu, Y.; Ding, Y.; Xu, J.: Understanding scientific collaboration : homophily, transitivity, and preferential attachment (2018) 0.00
    5.936372E-4 = product of:
      0.0011872743 = sum of:
        0.0011872743 = product of:
          0.003561823 = sum of:
            0.003561823 = weight(_text_:s in 4011) [ClassicSimilarity], result of:
              0.003561823 = score(doc=4011,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.072074346 = fieldWeight in 4011, 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=4011)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 69(2018) no.1, S.72-86
  7. Xu, J.: Author credit-assignment schemas : a comparison and analysis (2016) 0.00
    4.9469766E-4 = product of:
      9.893953E-4 = sum of:
        9.893953E-4 = product of:
          0.0029681858 = sum of:
            0.0029681858 = weight(_text_:s in 3056) [ClassicSimilarity], result of:
              0.0029681858 = score(doc=3056,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.060061958 = fieldWeight in 3056, 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=3056)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 67(2016) no.8, S.1973-1989
  8. Bu, Y.; Ding, Y.; Xu, J.; Liang, X.; Gao, G.; Zhao, Y.: Understanding success through the diversity of collaborators and the milestone of career (2018) 0.00
    4.9469766E-4 = product of:
      9.893953E-4 = sum of:
        9.893953E-4 = product of:
          0.0029681858 = sum of:
            0.0029681858 = weight(_text_:s in 4012) [ClassicSimilarity], result of:
              0.0029681858 = score(doc=4012,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.060061958 = fieldWeight in 4012, 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=4012)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 69(2018) no.1, S.87-97
  9. Wang, P.; Ma, Y.; Xie, H.; Wang, H.; Lu, J.; Xu, J.: "There is a gorilla holding a key on the book cover" : young children's known picture book search strategies (2022) 0.00
    4.9469766E-4 = product of:
      9.893953E-4 = sum of:
        9.893953E-4 = product of:
          0.0029681858 = sum of:
            0.0029681858 = weight(_text_:s in 443) [ClassicSimilarity], result of:
              0.0029681858 = score(doc=443,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.060061958 = fieldWeight in 443, 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=443)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 73(2022) no.1, S.45-57
  10. Liu, M.; Bu, Y.; Chen, C.; Xu, J.; Li, D.; Leng, Y.; Freeman, R.B.; Meyer, E.T.; Yoon, W.; Sung, M.; Jeong, M.; Lee, J.; Kang, J.; Min, C.; Zhai, Y.; Song, M.; Ding, Y.: Pandemics are catalysts of scientific novelty : evidence from COVID-19 (2022) 0.00
    4.9469766E-4 = product of:
      9.893953E-4 = sum of:
        9.893953E-4 = product of:
          0.0029681858 = sum of:
            0.0029681858 = weight(_text_:s in 633) [ClassicSimilarity], result of:
              0.0029681858 = score(doc=633,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.060061958 = fieldWeight in 633, 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=633)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 73(2022) no.8, S.1065-1078