-
Beaulieu, M.M.; Gatford, M.; Huang, X.; Robertson, S.E.; Walker, S.; Williams, P.: Okapi an TREC-5 (1997)
0.03
0.032655 = product of:
0.06531 = sum of:
0.06531 = product of:
0.13062 = sum of:
0.13062 = weight(_text_:x in 3097) [ClassicSimilarity], result of:
0.13062 = score(doc=3097,freq=2.0), product of:
0.2333109 = queryWeight, product of:
4.2226825 = idf(docFreq=1761, maxDocs=44218)
0.055251822 = queryNorm
0.55985385 = fieldWeight in 3097, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.2226825 = idf(docFreq=1761, maxDocs=44218)
0.09375 = fieldNorm(doc=3097)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Walker, S.: Improving subject access painlessly : recent work on the Okapi online catalogue projects (1988)
0.03
0.029943438 = product of:
0.059886876 = sum of:
0.059886876 = product of:
0.11977375 = sum of:
0.11977375 = weight(_text_:22 in 7403) [ClassicSimilarity], result of:
0.11977375 = score(doc=7403,freq=2.0), product of:
0.19348247 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.055251822 = queryNorm
0.61904186 = fieldWeight in 7403, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.125 = fieldNorm(doc=7403)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Program. 22(1988), S.21-31
-
Walker, S.: ¬The Okapi online catalogue research projects (1989)
0.02
0.01871465 = product of:
0.0374293 = sum of:
0.0374293 = product of:
0.0748586 = sum of:
0.0748586 = weight(_text_:22 in 1942) [ClassicSimilarity], result of:
0.0748586 = score(doc=1942,freq=2.0), product of:
0.19348247 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.055251822 = queryNorm
0.38690117 = fieldWeight in 1942, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=1942)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 16. 8.1998 11:22:08