Arendt, J.: Imperfect tools : Google Scholar vs. traditional commercial library databases (2008)
0.02
0.016248884 = product of:
0.032497767 = sum of:
0.032497767 = product of:
0.064995535 = sum of:
0.064995535 = weight(_text_:j in 6802) [ClassicSimilarity], result of:
0.064995535 = score(doc=6802,freq=2.0), product of:
0.1542809 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.04855423 = queryNorm
0.4212805 = fieldWeight in 6802, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.09375 = fieldNorm(doc=6802)
0.5 = coord(1/2)
0.5 = coord(1/2)
