-
Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000)
0.01
0.012303422 = product of:
0.036910266 = sum of:
0.036910266 = weight(_text_:m in 6030) [ClassicSimilarity], result of:
0.036910266 = score(doc=6030,freq=2.0), product of:
0.11187479 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.044957645 = queryNorm
0.3299248 = fieldWeight in 6030, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.09375 = fieldNorm(doc=6030)
0.33333334 = coord(1/3)
-
Beaulieu, M.M.; Gatford, M.; Huang, X.; Robertson, S.E.; Walker, S.; Williams, P.: Okapi an TREC-5 (1997)
0.01
0.012303422 = product of:
0.036910266 = sum of:
0.036910266 = weight(_text_:m in 3097) [ClassicSimilarity], result of:
0.036910266 = score(doc=3097,freq=2.0), product of:
0.11187479 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.044957645 = queryNorm
0.3299248 = fieldWeight in 3097, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.09375 = fieldNorm(doc=3097)
0.33333334 = coord(1/3)
-
Robertson, S.E.; Walker, S.; Beaulieu, M.: Laboratory experiments with Okapi : participation in the TREC programme (1997)
0.01
0.007176996 = product of:
0.021530988 = sum of:
0.021530988 = weight(_text_:m in 2216) [ClassicSimilarity], result of:
0.021530988 = score(doc=2216,freq=2.0), product of:
0.11187479 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.044957645 = queryNorm
0.19245613 = fieldWeight in 2216, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.0546875 = fieldNorm(doc=2216)
0.33333334 = coord(1/3)