Search (13 results, page 1 of 1)

  • × year_i:[2000 TO 2010}
  • × author_ss:"Zhang, Y."
  1. Zhang, Y.; Jansen, B.J.; Spink, A.: Identification of factors predicting clickthrough in Web searching using neural network analysis (2009) 0.02
    0.024279177 = product of:
      0.060697943 = sum of:
        0.018028209 = weight(_text_:18 in 2742) [ClassicSimilarity], result of:
          0.018028209 = score(doc=2742,freq=2.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.15089248 = fieldWeight in 2742, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.046875 = fieldNorm(doc=2742)
        0.042669736 = weight(_text_:22 in 2742) [ClassicSimilarity], result of:
          0.042669736 = score(doc=2742,freq=2.0), product of:
            0.1838098 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.052489646 = 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)
      0.4 = coord(2/5)
    
    Date
    17. 2.1997 18:25:04
    22. 3.2009 17:49:11
  2. Zhang, Y.: Using the Internet for survey research : a case study (2000) 0.01
    0.0067988634 = product of:
      0.033994317 = sum of:
        0.033994317 = weight(_text_:18 in 4294) [ClassicSimilarity], result of:
          0.033994317 = score(doc=4294,freq=4.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.2845256 = fieldWeight in 4294, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.0625 = fieldNorm(doc=4294)
      0.2 = coord(1/5)
    
    Date
    17. 2.1997 18:25:04
    16. 1.2000 16:54:18
  3. Zhang, Y.; Salaba, A.: Implementing FRBR in libraries : key issues and future directions (2009) 0.01
    0.006009403 = product of:
      0.030047014 = sum of:
        0.030047014 = weight(_text_:18 in 345) [ClassicSimilarity], result of:
          0.030047014 = score(doc=345,freq=2.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.25148746 = fieldWeight in 345, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.078125 = fieldNorm(doc=345)
      0.2 = coord(1/5)
    
    Date
    9. 1.2011 18:04:09
  4. Zhang, Y.: Scholarly use of Internet-based electronic resources (2001) 0.00
    0.003605642 = product of:
      0.018028209 = sum of:
        0.018028209 = weight(_text_:18 in 5212) [ClassicSimilarity], result of:
          0.018028209 = score(doc=5212,freq=2.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.15089248 = fieldWeight in 5212, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.046875 = fieldNorm(doc=5212)
      0.2 = coord(1/5)
    
    Date
    17. 2.1997 18:25:04
  5. Zhang, Y.; Xu, W.: Fast exact maximum likelihood estimation for mixture of language model (2008) 0.00
    0.003605642 = product of:
      0.018028209 = sum of:
        0.018028209 = weight(_text_:18 in 2082) [ClassicSimilarity], result of:
          0.018028209 = score(doc=2082,freq=2.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.15089248 = fieldWeight in 2082, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.046875 = fieldNorm(doc=2082)
      0.2 = coord(1/5)
    
    Date
    17. 2.1997 18:25:04
  6. Zhang, Y.: ¬The influence of mental models on undergraduate students' searching behavior on the Web (2008) 0.00
    0.003605642 = product of:
      0.018028209 = sum of:
        0.018028209 = weight(_text_:18 in 2097) [ClassicSimilarity], result of:
          0.018028209 = score(doc=2097,freq=2.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.15089248 = fieldWeight in 2097, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.046875 = fieldNorm(doc=2097)
      0.2 = coord(1/5)
    
    Date
    17. 2.1997 18:25:04
  7. Zhang, Y.: Complex adaptive filtering user profile using graphical models (2008) 0.00
    0.003605642 = product of:
      0.018028209 = sum of:
        0.018028209 = weight(_text_:18 in 2445) [ClassicSimilarity], result of:
          0.018028209 = score(doc=2445,freq=2.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.15089248 = fieldWeight in 2445, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.046875 = fieldNorm(doc=2445)
      0.2 = coord(1/5)
    
    Date
    17. 2.1997 18:25:04
  8. Chung, W.; Zhang, Y.; Huang, Z.; Wang, G.; Ong, T.-H.; Chen, H.: Internet searching and browsing in a multilingual world : an experiment an the Chinese Business Intelligence Portal (CBizPort) (2004) 0.00
    0.0030047016 = product of:
      0.015023507 = sum of:
        0.015023507 = weight(_text_:18 in 2393) [ClassicSimilarity], result of:
          0.015023507 = score(doc=2393,freq=2.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.12574373 = fieldWeight in 2393, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2393)
      0.2 = coord(1/5)
    
    Date
    17. 2.1997 18:25:04
  9. Zhang, Y.; Li, Y.: ¬A user-centered functional metadata evaluation of moving image collections (2008) 0.00
    0.0030047016 = product of:
      0.015023507 = sum of:
        0.015023507 = weight(_text_:18 in 1884) [ClassicSimilarity], result of:
          0.015023507 = score(doc=1884,freq=2.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.12574373 = fieldWeight in 1884, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1884)
      0.2 = coord(1/5)
    
    Date
    17. 2.1997 18:25:04
  10. Tenopir, C.; Wang, P.; Zhang, Y.; Simmons, B.; Pollard, R.: Academic users' interactions with ScienceDirect in search tasks : affective and cognitive behaviors (2008) 0.00
    0.0030047016 = product of:
      0.015023507 = sum of:
        0.015023507 = weight(_text_:18 in 2027) [ClassicSimilarity], result of:
          0.015023507 = score(doc=2027,freq=2.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.12574373 = fieldWeight in 2027, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2027)
      0.2 = coord(1/5)
    
    Date
    17. 2.1997 18:25:04
  11. Zhang, Y.: Undergraduate students' mental models of the Web as an information retrieval system (2008) 0.00
    0.0030047016 = product of:
      0.015023507 = sum of:
        0.015023507 = weight(_text_:18 in 2385) [ClassicSimilarity], result of:
          0.015023507 = score(doc=2385,freq=2.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.12574373 = fieldWeight in 2385, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2385)
      0.2 = coord(1/5)
    
    Date
    17. 2.1997 18:25:04
  12. Dang, Y.; Zhang, Y.; Chen, H.; Hu, P.J.-H.; Brown, S.A.; Larson, C.: Arizona Literature Mapper : an integrated approach to monitor and analyze global bioterrorism research literature (2009) 0.00
    0.0030047016 = product of:
      0.015023507 = sum of:
        0.015023507 = weight(_text_:18 in 2943) [ClassicSimilarity], result of:
          0.015023507 = score(doc=2943,freq=2.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.12574373 = fieldWeight in 2943, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2943)
      0.2 = coord(1/5)
    
    Date
    17. 2.1997 18:25:04
  13. Zhang, Y.: ¬The effect of open access on citation impact : a comparison study based on Web citation analysis (2006) 0.00
    0.0030047016 = product of:
      0.015023507 = sum of:
        0.015023507 = weight(_text_:18 in 5071) [ClassicSimilarity], result of:
          0.015023507 = score(doc=5071,freq=2.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.12574373 = fieldWeight in 5071, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.0390625 = fieldNorm(doc=5071)
      0.2 = coord(1/5)
    
    Date
    6. 3.1997 18:53:34