-
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
0.012088539 = product of:
0.024177078 = sum of:
0.024177078 = product of:
0.048354156 = sum of:
0.048354156 = weight(_text_:22 in 2808) [ClassicSimilarity], result of:
0.048354156 = score(doc=2808,freq=4.0), product of:
0.17674567 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05047238 = 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)
0.5 = coord(1/2)
- Date
- 30. 1.1999 17:22:22
-
Zhang, Y.; Jansen, B.J.; Spink, A.: Identification of factors predicting clickthrough in Web searching using neural network analysis (2009)
0.01
0.010257466 = product of:
0.020514932 = sum of:
0.020514932 = product of:
0.041029863 = sum of:
0.041029863 = weight(_text_:22 in 2742) [ClassicSimilarity], result of:
0.041029863 = score(doc=2742,freq=2.0), product of:
0.17674567 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05047238 = 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)
0.5 = coord(1/2)
- Date
- 22. 3.2009 17:49:11
-
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
0.009833493 = product of:
0.019666987 = sum of:
0.019666987 = product of:
0.039333973 = sum of:
0.039333973 = weight(_text_:g in 1089) [ClassicSimilarity], result of:
0.039333973 = score(doc=1089,freq=2.0), product of:
0.1895716 = queryWeight, product of:
3.7559474 = idf(docFreq=2809, maxDocs=44218)
0.05047238 = queryNorm
0.20748875 = fieldWeight in 1089, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7559474 = idf(docFreq=2809, maxDocs=44218)
0.0390625 = fieldNorm(doc=1089)
0.5 = coord(1/2)
0.5 = coord(1/2)