Search (5 results, page 1 of 1)

  • × author_ss:"Zhang, Y."
  • × theme_ss:"Informetrie"
  • × type_ss:"a"
  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) 0.01 
    0.010350652 = product of:
  0.020701304 = sum of:
    0.020701304 = product of:
      0.04140261 = sum of:
        0.04140261 = weight(_text_:22 in 2808) [ClassicSimilarity], result of:
          0.04140261 = score(doc=2808,freq=4.0), product of:
            0.15133615 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.043216307 = 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)
  0.5 = coord(1/2)
    Date
    30. 1.1999 17:22:22
  2. Lu, C.; Zhang, Y.; Ahn, Y.-Y.; Ding, Y.; Zhang, C.; Ma, D.: Co-contributorship network and division of labor in individual scientific collaborations (2020) 0.01 
    0.010043061 = product of:
  0.020086123 = sum of:
    0.020086123 = product of:
      0.040172245 = sum of:
        0.040172245 = weight(_text_:c in 5963) [ClassicSimilarity], result of:
          0.040172245 = score(doc=5963,freq=4.0), product of:
            0.14907055 = queryWeight, product of:
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.043216307 = queryNorm
            0.2694848 = fieldWeight in 5963, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.0390625 = fieldNorm(doc=5963)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  3. Zhang, Y.; Jansen, B.J.; Spink, A.: Identification of factors predicting clickthrough in Web searching using neural network analysis (2009) 0.01 
    0.00878282 = product of:
  0.01756564 = sum of:
    0.01756564 = product of:
      0.03513128 = sum of:
        0.03513128 = weight(_text_:22 in 2742) [ClassicSimilarity], result of:
          0.03513128 = score(doc=2742,freq=2.0), product of:
            0.15133615 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.043216307 = 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)
  0.5 = coord(1/2)
    Date
    22. 3.2009 17:49:11
  4. Zhang, Y.; Wu, M.; Zhang, G.; Lu, J.: Stepping beyond your comfort zone : diffusion-based network analytics for knowledge trajectory recommendation (2023) 0.01 
    0.0073190164 = product of:
  0.014638033 = sum of:
    0.014638033 = product of:
      0.029276066 = sum of:
        0.029276066 = weight(_text_:22 in 994) [ClassicSimilarity], result of:
          0.029276066 = score(doc=994,freq=2.0), product of:
            0.15133615 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.043216307 = 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)
  0.5 = coord(1/2)
    Date
    22. 6.2023 18:07:12
  5. Zhang, Y.; Zhang, C.: Enhancing keyphrase extraction from microblogs using human reading time (2021) 0.01 
    0.007101516 = product of:
  0.014203032 = sum of:
    0.014203032 = product of:
      0.028406063 = sum of:
        0.028406063 = weight(_text_:c in 237) [ClassicSimilarity], result of:
          0.028406063 = score(doc=237,freq=2.0), product of:
            0.14907055 = queryWeight, product of:
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.043216307 = queryNorm
            0.1905545 = fieldWeight in 237, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.0390625 = fieldNorm(doc=237)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Authors

Years