Leydesdorff, L.; Persson, O.: Mapping the geography of science : distribution patterns and networks of relations among cities and institutes (2010)
0.01
0.005397215 = product of:
0.026986076 = sum of:
0.026986076 = weight(_text_:technology in 3704) [ClassicSimilarity], result of:
0.026986076 = score(doc=3704,freq=2.0), product of:
0.13667917 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.04589033 = queryNorm
0.19744103 = fieldWeight in 3704, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.046875 = fieldNorm(doc=3704)
0.2 = coord(1/5)
- Source
- Journal of the American Society for Information Science and Technology. 61(2010) no.8, S.1622-1634
