Nicholls, P.T.: Empirical validation of Lotka's law (1986)
0.03
0.027353242 = product of:
0.054706484 = sum of:
0.054706484 = product of:
0.10941297 = sum of:
0.10941297 = weight(_text_:22 in 5509) [ClassicSimilarity], result of:
0.10941297 = score(doc=5509,freq=2.0), product of:
0.17674567 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05047238 = queryNorm
0.61904186 = fieldWeight in 5509, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.125 = fieldNorm(doc=5509)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 22(1986), S.417-419