Search (3 results, page 1 of 1)

  • × author_ss:"Zhao, Y."
  • × year_i:[2020 TO 2030}
  1. Huang, T.; Nie, R.; Zhao, Y.: Archival knowledge in the field of personal archiving : an exploratory study based on grounded theory (2021) 0.04
    0.04405364 = product of:
      0.08810728 = sum of:
        0.08810728 = sum of:
          0.05760526 = weight(_text_:y in 173) [ClassicSimilarity], result of:
            0.05760526 = score(doc=173,freq=2.0), product of:
              0.21668325 = queryWeight, product of:
                4.8124003 = idf(docFreq=976, maxDocs=44218)
                0.045026023 = queryNorm
              0.26585007 = fieldWeight in 173, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.8124003 = idf(docFreq=976, maxDocs=44218)
                0.0390625 = fieldNorm(doc=173)
          0.030502023 = weight(_text_:22 in 173) [ClassicSimilarity], result of:
            0.030502023 = score(doc=173,freq=2.0), product of:
              0.15767346 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.045026023 = 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
  2. 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) 0.02
    0.020366535 = product of:
      0.04073307 = sum of:
        0.04073307 = product of:
          0.08146614 = sum of:
            0.08146614 = weight(_text_:y in 5672) [ClassicSimilarity], result of:
              0.08146614 = score(doc=5672,freq=4.0), product of:
                0.21668325 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.045026023 = queryNorm
                0.37596878 = fieldWeight in 5672, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=5672)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  3. 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) 0.01
    0.014401315 = product of:
      0.02880263 = sum of:
        0.02880263 = product of:
          0.05760526 = sum of:
            0.05760526 = weight(_text_:y in 520) [ClassicSimilarity], result of:
              0.05760526 = score(doc=520,freq=2.0), product of:
                0.21668325 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.045026023 = queryNorm
                0.26585007 = fieldWeight in 520, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=520)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    

Authors