Search (5 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) 0.01 
    0.007226767 = product of:
  0.014453534 = sum of:
    0.014453534 = product of:
      0.043360602 = sum of:
        0.043360602 = weight(_text_:22 in 2808) [ClassicSimilarity], result of:
          0.043360602 = score(doc=2808,freq=4.0), product of:
            0.15849307 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045260075 = 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)
      0.33333334 = coord(1/3)
  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 
    0.0070120096 = product of:
  0.014024019 = sum of:
    0.014024019 = product of:
      0.042072058 = sum of:
        0.042072058 = weight(_text_:c in 5963) [ClassicSimilarity], result of:
          0.042072058 = score(doc=5963,freq=4.0), product of:
            0.15612034 = queryWeight, product of:
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.045260075 = 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)
      0.33333334 = coord(1/3)
  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 
    0.0061321156 = product of:
  0.012264231 = sum of:
    0.012264231 = product of:
      0.03679269 = sum of:
        0.03679269 = weight(_text_:22 in 2742) [ClassicSimilarity], result of:
          0.03679269 = score(doc=2742,freq=2.0), product of:
            0.15849307 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045260075 = 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)
      0.33333334 = coord(1/3)
  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 
    0.005110096 = product of:
  0.010220192 = sum of:
    0.010220192 = product of:
      0.030660577 = sum of:
        0.030660577 = weight(_text_:22 in 994) [ClassicSimilarity], result of:
          0.030660577 = score(doc=994,freq=2.0), product of:
            0.15849307 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045260075 = 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)
      0.33333334 = coord(1/3)
  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) 0.00 
    0.0049582394 = product of:
  0.009916479 = sum of:
    0.009916479 = product of:
      0.029749434 = sum of:
        0.029749434 = weight(_text_:c in 237) [ClassicSimilarity], result of:
          0.029749434 = score(doc=237,freq=2.0), product of:
            0.15612034 = queryWeight, product of:
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.045260075 = 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)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)

Authors

Years