Search (3 results, page 1 of 1)

  • × author_ss:"Zhang, Y."
  • × theme_ss:"Informetrie"
  1. Zhang, Y.: ¬The impact of Internet-based electronic resources on formal scholarly communication in the area of library and information science : a citation analysis (1998) 0.00 
    4.4657488E-4 = product of:
  0.010717797 = sum of:
    0.010717797 = product of:
      0.021435594 = sum of:
        0.021435594 = weight(_text_:22 in 2808) [ClassicSimilarity], result of:
          0.021435594 = score(doc=2808,freq=4.0), product of:
            0.07835207 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.02237461 = queryNorm
            0.27358043 = fieldWeight in 2808, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2808)
      0.5 = coord(1/2)
  0.041666668 = coord(1/24)
    Date
    30. 1.1999 17:22:22
  2. Zhang, Y.; Jansen, B.J.; Spink, A.: Identification of factors predicting clickthrough in Web searching using neural network analysis (2009) 0.00 
    3.7893135E-4 = product of:
  0.009094352 = sum of:
    0.009094352 = product of:
      0.018188704 = sum of:
        0.018188704 = weight(_text_:22 in 2742) [ClassicSimilarity], result of:
          0.018188704 = score(doc=2742,freq=2.0), product of:
            0.07835207 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.02237461 = queryNorm
            0.23214069 = fieldWeight in 2742, 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=2742)
      0.5 = coord(1/2)
  0.041666668 = coord(1/24)
    Date
    22. 3.2009 17:49:11
  3. Zhang, Y.; Wu, M.; Zhang, G.; Lu, J.: Stepping beyond your comfort zone : diffusion-based network analytics for knowledge trajectory recommendation (2023) 0.00 
    3.1577615E-4 = product of:
  0.007578627 = sum of:
    0.007578627 = product of:
      0.015157254 = sum of:
        0.015157254 = weight(_text_:22 in 994) [ClassicSimilarity], result of:
          0.015157254 = score(doc=994,freq=2.0), product of:
            0.07835207 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.02237461 = queryNorm
            0.19345059 = fieldWeight in 994, 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=994)
      0.5 = coord(1/2)
  0.041666668 = coord(1/24)
    Date
    22. 6.2023 18:07:12

Authors

Years