An, L.; Zhang, J.; Yu, C.: ¬The visual subject analysis of library and information science journals with self-organizing map (2011)
0.00
8.6616375E-4 = product of:
0.0017323275 = sum of:
0.0017323275 = product of:
0.003464655 = sum of:
0.003464655 = weight(_text_:s in 4613) [ClassicSimilarity], result of:
0.003464655 = score(doc=4613,freq=2.0), product of:
0.057684682 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.053056188 = queryNorm
0.060061958 = fieldWeight in 4613, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=4613)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Knowledge organization. 38(2011) no.4, S.299-320