-
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.: ¬The impact of Internet-based electronic resources on formal scholarly communication in the area of library and information science : a citation analysis (1998)
0.05
0.050370816 = product of:
0.10074163 = sum of:
0.10074163 = sum of:
0.05760526 = weight(_text_:y in 2808) [ClassicSimilarity], result of:
0.05760526 = score(doc=2808,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.26585007 = fieldWeight in 2808, 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=2808)
0.043136373 = weight(_text_:22 in 2808) [ClassicSimilarity], result of:
0.043136373 = score(doc=2808,freq=4.0), product of:
0.15767346 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045026023 = 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)
0.5 = coord(1/2)
- Date
- 30. 1.1999 17:22:22
-
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.; Sun, Y.; Xie, B.: Quality of health information for consumers on the web : a systematic review of indicators, criteria, tools, and evaluation results (2015)
0.02
0.020366535 = product of:
0.04073307 = sum of:
0.04073307 = product of:
0.08146614 = sum of:
0.08146614 = weight(_text_:y in 2218) [ClassicSimilarity], result of:
0.08146614 = score(doc=2218,freq=4.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.37596878 = fieldWeight in 2218, 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=2218)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Zhang, M.; Zhang, Y.: Professional organizations in Twittersphere : an empirical study of U.S. library and information science professional organizations-related Tweets (2020)
0.02
0.02016184 = product of:
0.04032368 = sum of:
0.04032368 = product of:
0.08064736 = sum of:
0.08064736 = weight(_text_:y in 5775) [ClassicSimilarity], result of:
0.08064736 = score(doc=5775,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.3721901 = fieldWeight in 5775, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0546875 = fieldNorm(doc=5775)
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.: 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.; Zheng, G.; Yan, H.: Bridging information and communication technology and older adults by social network : an action research in Sichuan, China (2023)
0.01
0.014401315 = product of:
0.02880263 = sum of:
0.02880263 = product of:
0.05760526 = sum of:
0.05760526 = weight(_text_:y in 1089) [ClassicSimilarity], result of:
0.05760526 = score(doc=1089,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.26585007 = fieldWeight in 1089, 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=1089)
0.5 = coord(1/2)
0.5 = coord(1/2)
