Search (8 results, page 1 of 1)

  • × author_ss:"Zhang, Y."
  • × theme_ss:"Internet"
  • × 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) 0.02
    0.015653087 = product of:
      0.031306174 = sum of:
        0.031306174 = product of:
          0.04695926 = sum of:
            0.0029965942 = weight(_text_:s in 2808) [ClassicSimilarity], result of:
              0.0029965942 = score(doc=2808,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.060061958 = fieldWeight in 2808, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2808)
            0.043962665 = weight(_text_:22 in 2808) [ClassicSimilarity], result of:
              0.043962665 = score(doc=2808,freq=4.0), product of:
                0.16069375 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045888513 = 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)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    30. 1.1999 17:22:22
    Source
    Journal of information science. 24(1998) no.4, S.241-254
  2. Zhang, Y.; Jansen, B.J.; Spink, A.: Identification of factors predicting clickthrough in Web searching using neural network analysis (2009) 0.01
    0.013633157 = product of:
      0.027266314 = sum of:
        0.027266314 = product of:
          0.04089947 = sum of:
            0.0035959128 = weight(_text_:s in 2742) [ClassicSimilarity], result of:
              0.0035959128 = score(doc=2742,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.072074346 = fieldWeight in 2742, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2742)
            0.03730356 = weight(_text_:22 in 2742) [ClassicSimilarity], result of:
              0.03730356 = score(doc=2742,freq=2.0), product of:
                0.16069375 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045888513 = 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)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    22. 3.2009 17:49:11
    Source
    Journal of the American Society for Information Science and Technology. 60(2009) no.3, S.557-570
  3. Zhang, Y.: Using the Internet for survey research : a case study (2000) 0.00
    7.9909177E-4 = product of:
      0.0015981835 = sum of:
        0.0015981835 = product of:
          0.0047945506 = sum of:
            0.0047945506 = weight(_text_:s in 4294) [ClassicSimilarity], result of:
              0.0047945506 = score(doc=4294,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.09609913 = fieldWeight in 4294, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0625 = fieldNorm(doc=4294)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science. 51(2000) no.1, S.57-68
  4. Zhang, M.; Zhang, Y.: Professional organizations in Twittersphere : an empirical study of U.S. library and information science professional organizations-related Tweets (2020) 0.00
    6.992053E-4 = product of:
      0.0013984106 = sum of:
        0.0013984106 = product of:
          0.004195232 = sum of:
            0.004195232 = weight(_text_:s in 5775) [ClassicSimilarity], result of:
              0.004195232 = score(doc=5775,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.08408674 = fieldWeight in 5775, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=5775)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 71(2020) no.4, S.491-496
  5. Zhang, Y.: Scholarly use of Internet-based electronic resources (2001) 0.00
    5.993188E-4 = product of:
      0.0011986376 = sum of:
        0.0011986376 = product of:
          0.0035959128 = sum of:
            0.0035959128 = weight(_text_:s in 5212) [ClassicSimilarity], result of:
              0.0035959128 = score(doc=5212,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.072074346 = fieldWeight in 5212, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5212)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.8, S.628-654
  6. Zhang, Y.: Undergraduate students' mental models of the Web as an information retrieval system (2008) 0.00
    4.994324E-4 = product of:
      9.988648E-4 = sum of:
        9.988648E-4 = product of:
          0.0029965942 = sum of:
            0.0029965942 = weight(_text_:s in 2385) [ClassicSimilarity], result of:
              0.0029965942 = score(doc=2385,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.060061958 = fieldWeight in 2385, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2385)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and Technology. 59(2008) no.13, S.2087-2098
  7. Zhang, Y.; Sun, Y.; Xie, B.: Quality of health information for consumers on the web : a systematic review of indicators, criteria, tools, and evaluation results (2015) 0.00
    4.994324E-4 = product of:
      9.988648E-4 = sum of:
        9.988648E-4 = product of:
          0.0029965942 = sum of:
            0.0029965942 = weight(_text_:s in 2218) [ClassicSimilarity], result of:
              0.0029965942 = score(doc=2218,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.060061958 = fieldWeight in 2218, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2218)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 66(2015) no.10, S.2071-2084
  8. 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
    4.994324E-4 = product of:
      9.988648E-4 = sum of:
        9.988648E-4 = product of:
          0.0029965942 = sum of:
            0.0029965942 = weight(_text_:s in 1089) [ClassicSimilarity], result of:
              0.0029965942 = score(doc=1089,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.060061958 = fieldWeight in 1089, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1089)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the Association for Information Science and Technology. 74(2023) no.12, S.1437-1448