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Järvelin, K.; Kristensen, J.; Niemi, T.; Sormunen, E.; Keskustalo, H.: ¬A deductive data model for query expansion (1996)
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- 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
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Järvelin, K.; Niemi, T.: Deductive information retrieval based on classifications (1993)
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6.1475614E-4 = product of: 0.006147561 = sum of: 0.006147561 = product of: 0.018442683 = sum of: 0.018442683 = weight(_text_:online in 2229) [ClassicSimilarity], result of: 0.018442683 = score(doc=2229,freq=2.0), product of: 0.09166916 = queryWeight, product of: 3.0349014 = idf(docFreq=5778, maxDocs=44218) 0.030204987 = queryNorm 0.20118743 = fieldWeight in 2229, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 3.0349014 = idf(docFreq=5778, maxDocs=44218) 0.046875 = fieldNorm(doc=2229) 0.33333334 = coord(1/3) 0.1 = coord(1/10)