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) 0.01 
    0.0077285287 = product of:
  0.015457057 = sum of:
    0.015457057 = product of:
      0.030914115 = sum of:
        0.030914115 = weight(_text_:22 in 173) [ClassicSimilarity], result of:
          0.030914115 = score(doc=173,freq=2.0), product of:
            0.15980367 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045634337 = 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)
  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) 0.01 
    0.00636322 = product of:
  0.01272644 = sum of:
    0.01272644 = product of:
      0.02545288 = sum of:
        0.02545288 = weight(_text_:j in 5672) [ClassicSimilarity], result of:
          0.02545288 = score(doc=5672,freq=2.0), product of:
            0.14500295 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.045634337 = queryNorm
            0.17553353 = fieldWeight in 5672, 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=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 
    0.00636322 = product of:
  0.01272644 = sum of:
    0.01272644 = product of:
      0.02545288 = sum of:
        0.02545288 = weight(_text_:j in 520) [ClassicSimilarity], result of:
          0.02545288 = score(doc=520,freq=2.0), product of:
            0.14500295 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.045634337 = queryNorm
            0.17553353 = fieldWeight in 520, 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=520)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Authors