Lochbaum, K.E.; Streeter, A.R.: Comparing and combining the effectiveness of latent semantic indexing and the ordinary vector space model for information retrieval (1989)
0.00
0.0036413912 = product of:
0.014565565 = sum of:
0.014565565 = weight(_text_:information in 3458) [ClassicSimilarity], result of:
0.014565565 = score(doc=3458,freq=4.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.16457605 = fieldWeight in 3458, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.046875 = fieldNorm(doc=3458)
0.25 = coord(1/4)
- Source
- Information processing and management. 25(1989) no.6, S. 665-676