Lee, J.-H.; Park, S.; Ahn, C.-M.; Kim, D.: Automatic generic document summarization based on non-negative matrix factorization (2009)
0.00
5.294429E-4 = product of:
0.0074122003 = sum of:
0.0074122003 = weight(_text_:information in 2448) [ClassicSimilarity], result of:
0.0074122003 = score(doc=2448,freq=2.0), product of:
0.054594476 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.031099495 = queryNorm
0.13576832 = fieldWeight in 2448, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0546875 = fieldNorm(doc=2448)
0.071428575 = coord(1/14)
- Source
- Information processing and management. 45(2009) no.1, S.20-34