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
0.005299047 = product of:
0.021196188 = sum of:
0.021196188 = product of:
0.042392377 = sum of:
0.042392377 = weight(_text_:processing in 2027) [ClassicSimilarity], result of:
0.042392377 = score(doc=2027,freq=2.0), product of:
0.18956426 = queryWeight, product of:
4.048147 = idf(docFreq=2097, maxDocs=44218)
0.046827413 = queryNorm
0.22363065 = fieldWeight in 2027, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.048147 = idf(docFreq=2097, maxDocs=44218)
0.0390625 = fieldNorm(doc=2027)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Source
- Information processing and management. 44(2008) no.1, S.105-121
