-
Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000)
0.04
0.04449192 = product of:
0.08898384 = sum of:
0.08898384 = product of:
0.17796768 = sum of:
0.17796768 = weight(_text_:2000 in 6030) [ClassicSimilarity], result of:
0.17796768 = score(doc=6030,freq=5.0), product of:
0.20949209 = queryWeight, product of:
4.0524464 = idf(docFreq=2088, maxDocs=44218)
0.051695216 = queryNorm
0.84951985 = fieldWeight in 6030, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
4.0524464 = idf(docFreq=2088, maxDocs=44218)
0.09375 = fieldNorm(doc=6030)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 36(2000) no.1, S.95-108
- Year
- 2000
-
Walker, S.: Improving subject access painlessly : recent work on the Okapi online catalogue projects (1988)
0.03
0.028015953 = product of:
0.056031905 = sum of:
0.056031905 = product of:
0.11206381 = sum of:
0.11206381 = weight(_text_:22 in 7403) [ClassicSimilarity], result of:
0.11206381 = score(doc=7403,freq=2.0), product of:
0.18102784 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.051695216 = 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
0.01750997 = product of:
0.03501994 = sum of:
0.03501994 = product of:
0.07003988 = sum of:
0.07003988 = weight(_text_:22 in 1942) [ClassicSimilarity], result of:
0.07003988 = score(doc=1942,freq=2.0), product of:
0.18102784 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.051695216 = 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