Search (3 results, page 1 of 1)

  • × theme_ss:"Internet"
  • × author_ss:"Zhang, Y."
  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. 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
  3. Zhang, Y.; Zheng, G.; Yan, H.: Bridging information and communication technology and older adults by social network : an action research in Sichuan, China (2023) 0.00
    0.0025721677 = product of:
      0.0051443353 = sum of:
        0.0051443353 = product of:
          0.015433006 = sum of:
            0.015433006 = weight(_text_:h in 1089) [ClassicSimilarity], result of:
              0.015433006 = score(doc=1089,freq=2.0), product of:
                0.11244635 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.045260075 = queryNorm
                0.13724773 = fieldWeight in 1089, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1089)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)