Järvelin, K.; Kristensen, J.; Niemi, T.; Sormunen, E.; Keskustalo, H.: ¬A deductive data model for query expansion (1996)
0.04
0.041786816 = product of:
0.08357363 = sum of:
0.08357363 = sum of:
0.04668439 = weight(_text_:t in 2230) [ClassicSimilarity], result of:
0.04668439 = score(doc=2230,freq=2.0), product of:
0.17876579 = queryWeight, product of:
3.9394085 = idf(docFreq=2338, maxDocs=44218)
0.04537884 = queryNorm
0.26114836 = fieldWeight in 2230, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9394085 = idf(docFreq=2338, maxDocs=44218)
0.046875 = fieldNorm(doc=2230)
0.03688924 = weight(_text_:22 in 2230) [ClassicSimilarity], result of:
0.03688924 = score(doc=2230,freq=2.0), product of:
0.15890898 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04537884 = 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)
0.5 = coord(1/2)
- 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
