Search (2 results, page 1 of 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)
0.01
0.011176359 = product of: 0.022352718 = sum of: 0.022352718 = product of: 0.044705436 = sum of: 0.044705436 = weight(_text_:22 in 2808) [ClassicSimilarity], result of: 0.044705436 = score(doc=2808,freq=4.0), product of: 0.16340874 = queryWeight, product of: 3.5018296 = idf(docFreq=3622, maxDocs=44218) 0.046663817 = 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
0.009483455 = product of: 0.01896691 = sum of: 0.01896691 = product of: 0.03793382 = sum of: 0.03793382 = weight(_text_:22 in 2742) [ClassicSimilarity], result of: 0.03793382 = score(doc=2742,freq=2.0), product of: 0.16340874 = queryWeight, product of: 3.5018296 = idf(docFreq=3622, maxDocs=44218) 0.046663817 = 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