-
Zhang, Y.; Jansen, B.J.; Spink, A.: Identification of factors predicting clickthrough in Web searching using neural network analysis (2009)
0.05
0.052864365 = product of:
0.10572873 = sum of:
0.10572873 = sum of:
0.06912631 = weight(_text_:y in 2742) [ClassicSimilarity], result of:
0.06912631 = score(doc=2742,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.3190201 = fieldWeight in 2742, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.046875 = fieldNorm(doc=2742)
0.036602426 = weight(_text_:22 in 2742) [ClassicSimilarity], result of:
0.036602426 = score(doc=2742,freq=2.0), product of:
0.15767346 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045026023 = 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)
- Date
- 22. 3.2009 17:49:11
-
Zhang, Y.; Salaba, A.: Implementing FRBR in libraries : key issues and future directions (2009)
0.03
0.02880263 = product of:
0.05760526 = sum of:
0.05760526 = product of:
0.11521052 = sum of:
0.11521052 = weight(_text_:y in 345) [ClassicSimilarity], result of:
0.11521052 = score(doc=345,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.53170013 = fieldWeight in 345, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.078125 = fieldNorm(doc=345)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Zhang, Y.: Using the Internet for survey research : a case study (2000)
0.02
0.023042103 = product of:
0.046084207 = sum of:
0.046084207 = product of:
0.09216841 = sum of:
0.09216841 = weight(_text_:y in 4294) [ClassicSimilarity], result of:
0.09216841 = score(doc=4294,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.4253601 = fieldWeight in 4294, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0625 = fieldNorm(doc=4294)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Zhang, Y.; Li, Y.: ¬A user-centered functional metadata evaluation of moving image collections (2008)
0.02
0.020366535 = product of:
0.04073307 = sum of:
0.04073307 = product of:
0.08146614 = sum of:
0.08146614 = weight(_text_:y in 1884) [ClassicSimilarity], result of:
0.08146614 = score(doc=1884,freq=4.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.37596878 = fieldWeight in 1884, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=1884)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Zhang, X.; Li, Y.; Liu, J.; Zhang, Y.: Effects of interaction design in digital libraries on user interactions (2008)
0.02
0.020366535 = product of:
0.04073307 = sum of:
0.04073307 = product of:
0.08146614 = sum of:
0.08146614 = weight(_text_:y in 1898) [ClassicSimilarity], result of:
0.08146614 = score(doc=1898,freq=4.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.37596878 = fieldWeight in 1898, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=1898)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
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)
0.02
0.020366535 = product of:
0.04073307 = sum of:
0.04073307 = product of:
0.08146614 = sum of:
0.08146614 = weight(_text_:y in 2943) [ClassicSimilarity], result of:
0.08146614 = score(doc=2943,freq=4.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.37596878 = fieldWeight in 2943, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=2943)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Zhang, Y.: Scholarly use of Internet-based electronic resources (2001)
0.02
0.017281577 = product of:
0.034563154 = sum of:
0.034563154 = product of:
0.06912631 = sum of:
0.06912631 = weight(_text_:y in 5212) [ClassicSimilarity], result of:
0.06912631 = score(doc=5212,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.3190201 = fieldWeight in 5212, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.046875 = fieldNorm(doc=5212)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Zhang, Y.; Xu, W.: Fast exact maximum likelihood estimation for mixture of language model (2008)
0.02
0.017281577 = product of:
0.034563154 = sum of:
0.034563154 = product of:
0.06912631 = sum of:
0.06912631 = weight(_text_:y in 2082) [ClassicSimilarity], result of:
0.06912631 = score(doc=2082,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.3190201 = fieldWeight in 2082, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.046875 = fieldNorm(doc=2082)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Zhang, Y.: ¬The influence of mental models on undergraduate students' searching behavior on the Web (2008)
0.02
0.017281577 = product of:
0.034563154 = sum of:
0.034563154 = product of:
0.06912631 = sum of:
0.06912631 = weight(_text_:y in 2097) [ClassicSimilarity], result of:
0.06912631 = score(doc=2097,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.3190201 = fieldWeight in 2097, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.046875 = fieldNorm(doc=2097)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Zhang, Y.: Complex adaptive filtering user profile using graphical models (2008)
0.02
0.017281577 = product of:
0.034563154 = sum of:
0.034563154 = product of:
0.06912631 = sum of:
0.06912631 = weight(_text_:y in 2445) [ClassicSimilarity], result of:
0.06912631 = score(doc=2445,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.3190201 = fieldWeight in 2445, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.046875 = fieldNorm(doc=2445)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
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)
0.01
0.014401315 = product of:
0.02880263 = sum of:
0.02880263 = product of:
0.05760526 = sum of:
0.05760526 = weight(_text_:y in 2393) [ClassicSimilarity], result of:
0.05760526 = score(doc=2393,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.26585007 = fieldWeight in 2393, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=2393)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Tenopir, C.; Wang, P.; Zhang, Y.; Simmons, B.; Pollard, R.: Academic users' interactions with ScienceDirect in search tasks : affective and cognitive behaviors (2008)
0.01
0.014401315 = product of:
0.02880263 = sum of:
0.02880263 = product of:
0.05760526 = sum of:
0.05760526 = weight(_text_:y in 2027) [ClassicSimilarity], result of:
0.05760526 = score(doc=2027,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.26585007 = fieldWeight in 2027, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=2027)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Zhang, Y.: Undergraduate students' mental models of the Web as an information retrieval system (2008)
0.01
0.014401315 = product of:
0.02880263 = sum of:
0.02880263 = product of:
0.05760526 = sum of:
0.05760526 = weight(_text_:y in 2385) [ClassicSimilarity], result of:
0.05760526 = score(doc=2385,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.26585007 = fieldWeight in 2385, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=2385)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Zhang, Y.: ¬The effect of open access on citation impact : a comparison study based on Web citation analysis (2006)
0.01
0.014401315 = product of:
0.02880263 = sum of:
0.02880263 = product of:
0.05760526 = sum of:
0.05760526 = weight(_text_:y in 5071) [ClassicSimilarity], result of:
0.05760526 = score(doc=5071,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.26585007 = fieldWeight in 5071, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=5071)
0.5 = coord(1/2)
0.5 = coord(1/2)