Järvelin, K.; Kristensen, J.; Niemi, T.; Sormunen, E.; Keskustalo, H.: ¬A deductive data model for query expansion (1996)
0.01
0.009349521 = product of:
0.014024281 = sum of:
0.003145897 = weight(_text_:s in 2230) [ClassicSimilarity], result of:
0.003145897 = score(doc=2230,freq=2.0), product of:
0.043647945 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04014573 = queryNorm
0.072074346 = fieldWeight in 2230, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=2230)
0.010878384 = product of:
0.032635152 = sum of:
0.032635152 = weight(_text_:22 in 2230) [ClassicSimilarity], result of:
0.032635152 = score(doc=2230,freq=2.0), product of:
0.1405835 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04014573 = queryNorm
0.23214069 = fieldWeight in 2230, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=2230)
0.33333334 = coord(1/3)
0.6666667 = coord(2/3)
- Pages
- S.235-243
- Source
- Proceedings of the 19th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (ACM SIGIR '96), Zürich, Switzerland, August 18-22, 1996. Eds.: H.P. Frei et al
