-
Järvelin, K.; Kristensen, J.; Niemi, T.; Sormunen, E.; Keskustalo, H.: ¬A deductive data model for query expansion (1996)
0.04
0.03771992 = product of:
0.07543984 = sum of:
0.07543984 = sum of:
0.03844473 = weight(_text_:k in 2230) [ClassicSimilarity], result of:
0.03844473 = score(doc=2230,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = queryNorm
0.23664509 = fieldWeight in 2230, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.046875 = fieldNorm(doc=2230)
0.036995113 = weight(_text_:22 in 2230) [ClassicSimilarity], result of:
0.036995113 = score(doc=2230,freq=2.0), product of:
0.15936506 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045509085 = 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
-
Järvelin, K.; Niemi, T.: Deductive information retrieval based on classifications (1993)
0.01
0.009611183 = product of:
0.019222366 = sum of:
0.019222366 = product of:
0.03844473 = sum of:
0.03844473 = weight(_text_:k in 2229) [ClassicSimilarity], result of:
0.03844473 = score(doc=2229,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = queryNorm
0.23664509 = fieldWeight in 2229, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.046875 = fieldNorm(doc=2229)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Lehtokangas, R.; Järvelin, K.: Consistency of textual expression in newspaper articles : an argument for semantically based query expansion (2001)
0.01
0.008009318 = product of:
0.016018637 = sum of:
0.016018637 = product of:
0.032037273 = sum of:
0.032037273 = weight(_text_:k in 4485) [ClassicSimilarity], result of:
0.032037273 = score(doc=4485,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = queryNorm
0.19720423 = fieldWeight in 4485, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0390625 = fieldNorm(doc=4485)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Ingwersen, P.; Järvelin, K.: ¬The turn : integration of information seeking and retrieval in context (2005)
0.00
0.004004659 = product of:
0.008009318 = sum of:
0.008009318 = product of:
0.016018637 = sum of:
0.016018637 = weight(_text_:k in 1323) [ClassicSimilarity], result of:
0.016018637 = score(doc=1323,freq=2.0), product of:
0.16245733 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.045509085 = queryNorm
0.098602116 = fieldWeight in 1323, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.01953125 = fieldNorm(doc=1323)
0.5 = coord(1/2)
0.5 = coord(1/2)