Search (7 results, page 1 of 1)

  • × author_ss:"Zhao, Y."
  1. Ma, N.; Guan, J.; Zhao, Y.: Bringing PageRank to the citation analysis (2008) 0.02
    0.021857034 = product of:
      0.04371407 = sum of:
        0.04371407 = sum of:
          0.006302999 = weight(_text_:e in 2064) [ClassicSimilarity], result of:
            0.006302999 = score(doc=2064,freq=2.0), product of:
              0.06614887 = queryWeight, product of:
                1.43737 = idf(docFreq=28552, maxDocs=44218)
                0.04602077 = queryNorm
              0.09528506 = fieldWeight in 2064, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                1.43737 = idf(docFreq=28552, maxDocs=44218)
                0.046875 = fieldNorm(doc=2064)
          0.03741107 = weight(_text_:22 in 2064) [ClassicSimilarity], result of:
            0.03741107 = score(doc=2064,freq=2.0), product of:
              0.1611569 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.04602077 = queryNorm
              0.23214069 = fieldWeight in 2064, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.046875 = fieldNorm(doc=2064)
      0.5 = coord(1/2)
    
    Date
    31. 7.2008 14:22:05
    Language
    e
  2. Huang, T.; Nie, R.; Zhao, Y.: Archival knowledge in the field of personal archiving : an exploratory study based on grounded theory (2021) 0.02
    0.018214198 = product of:
      0.036428396 = sum of:
        0.036428396 = sum of:
          0.0052524996 = weight(_text_:e in 173) [ClassicSimilarity], result of:
            0.0052524996 = score(doc=173,freq=2.0), product of:
              0.06614887 = queryWeight, product of:
                1.43737 = idf(docFreq=28552, maxDocs=44218)
                0.04602077 = queryNorm
              0.07940422 = fieldWeight in 173, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                1.43737 = idf(docFreq=28552, maxDocs=44218)
                0.0390625 = fieldNorm(doc=173)
          0.031175895 = weight(_text_:22 in 173) [ClassicSimilarity], result of:
            0.031175895 = score(doc=173,freq=2.0), product of:
              0.1611569 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.04602077 = queryNorm
              0.19345059 = fieldWeight in 173, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.0390625 = fieldNorm(doc=173)
      0.5 = coord(1/2)
    
    Date
    22. 1.2021 14:20:27
    Language
    e
  3. Zhang, J.; Zhao, Y.: ¬A user term visualization analysis based on a social question and answer log (2013) 0.00
    0.0013131249 = product of:
      0.0026262498 = sum of:
        0.0026262498 = product of:
          0.0052524996 = sum of:
            0.0052524996 = weight(_text_:e in 2715) [ClassicSimilarity], result of:
              0.0052524996 = score(doc=2715,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.07940422 = fieldWeight in 2715, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2715)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  4. Zhao, Y.; Ma, F.; Xia, X.: Evaluating the coverage of entities in knowledge graphs behind general web search engines : Poster (2017) 0.00
    0.0013131249 = product of:
      0.0026262498 = sum of:
        0.0026262498 = product of:
          0.0052524996 = sum of:
            0.0052524996 = weight(_text_:e in 3854) [ClassicSimilarity], result of:
              0.0052524996 = score(doc=3854,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.07940422 = fieldWeight in 3854, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=3854)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  5. 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
    0.0013131249 = product of:
      0.0026262498 = sum of:
        0.0026262498 = product of:
          0.0052524996 = sum of:
            0.0052524996 = weight(_text_:e in 4012) [ClassicSimilarity], result of:
              0.0052524996 = score(doc=4012,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.07940422 = fieldWeight in 4012, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4012)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  6. Zhang, J.; Chen, Y.; Zhao, Y.; Wolfram, D.; Ma, F.: Public health and social media : a study of Zika virus-related posts on Yahoo! Answers (2020) 0.00
    0.0013131249 = product of:
      0.0026262498 = sum of:
        0.0026262498 = product of:
          0.0052524996 = sum of:
            0.0052524996 = weight(_text_:e in 5672) [ClassicSimilarity], result of:
              0.0052524996 = score(doc=5672,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.07940422 = fieldWeight in 5672, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=5672)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  7. Wu, Z.; Lu, C.; Zhao, Y.; Xie, J.; Zou, D.; Su, X.: ¬The protection of user preference privacy in personalized information retrieval : challenges and overviews (2021) 0.00
    0.0013131249 = product of:
      0.0026262498 = sum of:
        0.0026262498 = product of:
          0.0052524996 = sum of:
            0.0052524996 = weight(_text_:e in 520) [ClassicSimilarity], result of:
              0.0052524996 = score(doc=520,freq=2.0), product of:
                0.06614887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04602077 = queryNorm
                0.07940422 = fieldWeight in 520, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=520)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e