Bordoni, L.; Pazienza, M.T.: Documents automatic indexing in an environmental domain (1997)
0.01
0.011958709 = product of:
0.023917418 = sum of:
0.023917418 = product of:
0.047834836 = sum of:
0.047834836 = weight(_text_:22 in 530) [ClassicSimilarity], result of:
0.047834836 = score(doc=530,freq=2.0), product of:
0.17662258 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05043723 = queryNorm
0.2708308 = fieldWeight in 530, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=530)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- International forum on information and documentation. 22(1997) no.1, S.17-28