Salah, A.A.; Gao, C.; Suchecki, K.; Scharnhorst, A.; Smiraglia, R.P.: ¬The evolution of classification systems : ontogeny of the UDC (2012)
0.01
0.010176484 = product of:
0.020352967 = sum of:
0.020352967 = product of:
0.040705934 = sum of:
0.040705934 = weight(_text_:c in 825) [ClassicSimilarity], result of:
0.040705934 = score(doc=825,freq=2.0), product of:
0.15258452 = queryWeight, product of:
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.044235025 = queryNorm
0.2667763 = fieldWeight in 825, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.0546875 = fieldNorm(doc=825)
0.5 = coord(1/2)
0.5 = coord(1/2)