Järvelin, K.; Kristensen, J.; Niemi, T.; Sormunen, E.; Keskustalo, H.: ¬A deductive data model for query expansion (1996)
0.09
0.08802891 = product of:
0.17605782 = sum of:
0.07011267 = weight(_text_:et in 2230) [ClassicSimilarity], result of:
0.07011267 = score(doc=2230,freq=2.0), product of:
0.22541445 = queryWeight, product of:
4.692005 = idf(docFreq=1101, maxDocs=44218)
0.048042245 = queryNorm
0.3110389 = fieldWeight in 2230, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.692005 = idf(docFreq=1101, maxDocs=44218)
0.046875 = fieldNorm(doc=2230)
0.10594514 = sum of:
0.066890776 = weight(_text_:al in 2230) [ClassicSimilarity], result of:
0.066890776 = score(doc=2230,freq=2.0), product of:
0.2201743 = queryWeight, product of:
4.582931 = idf(docFreq=1228, maxDocs=44218)
0.048042245 = queryNorm
0.30380827 = fieldWeight in 2230, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.582931 = idf(docFreq=1228, maxDocs=44218)
0.046875 = fieldNorm(doc=2230)
0.039054368 = weight(_text_:22 in 2230) [ClassicSimilarity], result of:
0.039054368 = score(doc=2230,freq=2.0), product of:
0.16823576 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.048042245 = 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(2/4)
- 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
