Leydesdorff, L.; Persson, O.: Mapping the geography of science : distribution patterns and networks of relations among cities and institutes (2010)
0.01
0.0077595054 = product of:
0.031038022 = sum of:
0.031038022 = weight(_text_:data in 3704) [ClassicSimilarity], result of:
0.031038022 = score(doc=3704,freq=2.0), product of:
0.14807065 = queryWeight, product of:
3.1620505 = idf(docFreq=5088, maxDocs=44218)
0.046827413 = queryNorm
0.2096163 = fieldWeight in 3704, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1620505 = idf(docFreq=5088, maxDocs=44218)
0.046875 = fieldNorm(doc=3704)
0.25 = coord(1/4)
- Theme
- Data Mining
