Shah, C.; Kitzie, V.: Social Q&A and virtual reference : comparing apples and oranges with the help of experts and users (2012)
0.00
0.004476557 = product of:
0.017906228 = sum of:
0.017906228 = weight(_text_:science in 457) [ClassicSimilarity], result of:
0.017906228 = score(doc=457,freq=2.0), product of:
0.12305341 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.0467152 = queryNorm
0.1455159 = fieldWeight in 457, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.0390625 = fieldNorm(doc=457)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science and Technology. 63(2012) no.10, S.2020-2036
