Rafols, I.; Porter, A.L.; Leydesdorff, L.: Science overlay maps : a new tool for research policy and library management (2010)
0.00
4.4685128E-4 = product of:
0.0062559177 = sum of:
0.0062559177 = weight(_text_:information in 3987) [ClassicSimilarity], result of:
0.0062559177 = score(doc=3987,freq=2.0), product of:
0.053757537 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.030622736 = queryNorm
0.116372846 = fieldWeight in 3987, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.046875 = fieldNorm(doc=3987)
0.071428575 = coord(1/14)
- Source
- Journal of the American Society for Information Science and Technology. 61(2010) no.9, S.1871-1887