Thelwall, M.; Maflahi, N.: Academic collaboration rates and citation associations vary substantially between countries and fields (2020)
0.01
0.0128852 = product of:
0.0257704 = sum of:
0.0257704 = product of:
0.0515408 = sum of:
0.0515408 = weight(_text_:n in 5952) [ClassicSimilarity], result of:
0.0515408 = score(doc=5952,freq=2.0), product of:
0.2163874 = queryWeight, product of:
4.3116565 = idf(docFreq=1611, maxDocs=44218)
0.050186608 = queryNorm
0.23818761 = fieldWeight in 5952, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.3116565 = idf(docFreq=1611, maxDocs=44218)
0.0390625 = fieldNorm(doc=5952)
0.5 = coord(1/2)
0.5 = coord(1/2)