-
Järvelin, K.; Kristensen, J.; Niemi, T.; Sormunen, E.; Keskustalo, H.: ¬A deductive data model for query expansion (1996)
0.02
0.01756258 = product of:
0.052687734 = sum of:
0.052687734 = product of:
0.0790316 = sum of:
0.04027512 = weight(_text_:k in 2230) [ClassicSimilarity], result of:
0.04027512 = score(doc=2230,freq=2.0), product of:
0.17019208 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.047675814 = 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)
0.038756486 = weight(_text_:22 in 2230) [ClassicSimilarity], result of:
0.038756486 = score(doc=2230,freq=2.0), product of:
0.16695258 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.047675814 = 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)
0.6666667 = coord(2/3)
0.33333334 = coord(1/3)
- 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
-
Kristensen, J.; Järvelin, K.: ¬The effectiveness of a searching thesaurus in free-text searching in a full-text database (1990)
0.01
0.01193337 = product of:
0.035800107 = sum of:
0.035800107 = product of:
0.10740032 = sum of:
0.10740032 = weight(_text_:k in 2043) [ClassicSimilarity], result of:
0.10740032 = score(doc=2043,freq=2.0), product of:
0.17019208 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.047675814 = queryNorm
0.63105357 = fieldWeight in 2043, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.125 = fieldNorm(doc=2043)
0.33333334 = coord(1/3)
0.33333334 = coord(1/3)
-
Kristensen, J.: Expanding end-users' query statements for free text searching with a search-aid thesaurus (1993)
0.01
0.005793821 = product of:
0.017381463 = sum of:
0.017381463 = product of:
0.05214439 = sum of:
0.05214439 = weight(_text_:29 in 6621) [ClassicSimilarity], result of:
0.05214439 = score(doc=6621,freq=2.0), product of:
0.1677086 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.047675814 = queryNorm
0.31092256 = fieldWeight in 6621, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.0625 = fieldNorm(doc=6621)
0.33333334 = coord(1/3)
0.33333334 = coord(1/3)
- Source
- Information processing and management. 29(1993) no.6, S.733-744