Search (10 results, page 1 of 1)

  • × author_ss:"Xu, J."
  • × language_ss:"e"
  1. Allan, J.; Callan, J.P.; Croft, W.B.; Ballesteros, L.; Broglio, J.; Xu, J.; Shu, H.: INQUERY at TREC-5 (1997) 0.06
    0.057515323 = product of:
      0.13420242 = sum of:
        0.041900817 = weight(_text_:u in 3103) [ClassicSimilarity], result of:
          0.041900817 = score(doc=3103,freq=2.0), product of:
            0.11581901 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.035370585 = queryNorm
            0.3617784 = fieldWeight in 3103, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.078125 = fieldNorm(doc=3103)
        0.06834048 = weight(_text_:j in 3103) [ClassicSimilarity], result of:
          0.06834048 = score(doc=3103,freq=6.0), product of:
            0.11238991 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.035370585 = queryNorm
            0.608066 = fieldWeight in 3103, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.078125 = fieldNorm(doc=3103)
        0.02396113 = product of:
          0.04792226 = sum of:
            0.04792226 = weight(_text_:22 in 3103) [ClassicSimilarity], result of:
              0.04792226 = score(doc=3103,freq=2.0), product of:
                0.12386176 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.035370585 = 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)
          0.5 = coord(1/2)
      0.42857143 = coord(3/7)
    
    Date
    27. 2.1999 20:55:22
    Source
    The Fifth Text Retrieval Conference (TREC-5). Ed.: E.M. Voorhees u. D.K. Harman
  2. 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) 0.01
    0.013816638 = product of:
      0.04835823 = sum of:
        0.014187992 = product of:
          0.028375983 = sum of:
            0.028375983 = weight(_text_:w in 633) [ClassicSimilarity], result of:
              0.028375983 = score(doc=633,freq=2.0), product of:
                0.13479044 = queryWeight, product of:
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.035370585 = queryNorm
                0.21051927 = fieldWeight in 633, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=633)
          0.5 = coord(1/2)
        0.03417024 = weight(_text_:j in 633) [ClassicSimilarity], result of:
          0.03417024 = score(doc=633,freq=6.0), product of:
            0.11238991 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.035370585 = queryNorm
            0.304033 = fieldWeight in 633, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.0390625 = fieldNorm(doc=633)
      0.2857143 = coord(2/7)
    
  3. Xu, J.; Weischedel, R.; Licuanan, A.: Evaluation of an extraction-based approach to answering definitional questions (2004) 0.01
    0.005636628 = product of:
      0.039456394 = sum of:
        0.039456394 = weight(_text_:j in 4107) [ClassicSimilarity], result of:
          0.039456394 = score(doc=4107,freq=2.0), product of:
            0.11238991 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.035370585 = 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)
      0.14285715 = coord(1/7)
    
  4. Schroeder, J.; Xu, J.; Chen, H.; Chau, M.: Automated criminal link analysis based on domain knowledge (2007) 0.00
    0.0047828383 = product of:
      0.033479866 = sum of:
        0.033479866 = weight(_text_:j in 275) [ClassicSimilarity], result of:
          0.033479866 = score(doc=275,freq=4.0), product of:
            0.11238991 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.035370585 = 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)
      0.14285715 = coord(1/7)
    
  5. 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
    0.003985698 = product of:
      0.027899884 = sum of:
        0.027899884 = weight(_text_:j in 443) [ClassicSimilarity], result of:
          0.027899884 = score(doc=443,freq=4.0), product of:
            0.11238991 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.035370585 = queryNorm
            0.2482419 = fieldWeight in 443, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.0390625 = fieldNorm(doc=443)
      0.14285715 = coord(1/7)
    
  6. Xu, J.; Croft, W.B.: Topic-based language models for distributed retrieval (2000) 0.00
    0.003381977 = product of:
      0.023673838 = sum of:
        0.023673838 = weight(_text_:j in 38) [ClassicSimilarity], result of:
          0.023673838 = score(doc=38,freq=2.0), product of:
            0.11238991 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.035370585 = 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)
      0.14285715 = coord(1/7)
    
  7. Xu, J.; Weischedel, R.: Empirical studies on the impact of lexical resources on CLIR performance (2005) 0.00
    0.003381977 = product of:
      0.023673838 = sum of:
        0.023673838 = weight(_text_:j in 1020) [ClassicSimilarity], result of:
          0.023673838 = score(doc=1020,freq=2.0), product of:
            0.11238991 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.035370585 = 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)
      0.14285715 = coord(1/7)
    
  8. Zhang, C.; Bu, Y.; Ding, Y.; Xu, J.: Understanding scientific collaboration : homophily, transitivity, and preferential attachment (2018) 0.00
    0.003381977 = product of:
      0.023673838 = sum of:
        0.023673838 = weight(_text_:j in 4011) [ClassicSimilarity], result of:
          0.023673838 = score(doc=4011,freq=2.0), product of:
            0.11238991 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.035370585 = queryNorm
            0.21064025 = fieldWeight in 4011, 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=4011)
      0.14285715 = coord(1/7)
    
  9. Xu, J.: Author credit-assignment schemas : a comparison and analysis (2016) 0.00
    0.002818314 = product of:
      0.019728197 = sum of:
        0.019728197 = weight(_text_:j in 3056) [ClassicSimilarity], result of:
          0.019728197 = score(doc=3056,freq=2.0), product of:
            0.11238991 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.035370585 = queryNorm
            0.17553353 = fieldWeight in 3056, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3056)
      0.14285715 = coord(1/7)
    
  10. 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
    0.002818314 = product of:
      0.019728197 = sum of:
        0.019728197 = weight(_text_:j in 4012) [ClassicSimilarity], result of:
          0.019728197 = score(doc=4012,freq=2.0), product of:
            0.11238991 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.035370585 = queryNorm
            0.17553353 = fieldWeight in 4012, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4012)
      0.14285715 = coord(1/7)