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
0.007879855 = product of:
0.03151942 = sum of:
0.03151942 = weight(_text_:b in 2027) [ClassicSimilarity], result of:
0.03151942 = score(doc=2027,freq=2.0), product of:
0.1610411 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.0454538 = queryNorm
0.19572285 = fieldWeight in 2027, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.0390625 = fieldNorm(doc=2027)
0.25 = coord(1/4)
