-
Robertson, S.E.: OKAPI at TREC-1 (1994)
0.00
0.0027974327 = product of:
0.0055948654 = sum of:
0.0055948654 = product of:
0.011189731 = sum of:
0.011189731 = weight(_text_:e in 7953) [ClassicSimilarity], result of:
0.011189731 = score(doc=7953,freq=2.0), product of:
0.07046056 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.049020473 = queryNorm
0.15880844 = fieldWeight in 7953, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.078125 = fieldNorm(doc=7953)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Robertson, S.E.: OKAPI at TREC-3 (1995)
0.00
0.0019582028 = product of:
0.0039164056 = sum of:
0.0039164056 = product of:
0.007832811 = sum of:
0.007832811 = weight(_text_:e in 5694) [ClassicSimilarity], result of:
0.007832811 = score(doc=5694,freq=2.0), product of:
0.07046056 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.049020473 = queryNorm
0.1111659 = fieldWeight in 5694, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0546875 = fieldNorm(doc=5694)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Robertson, S.E.; Sparck Jones, K.: Simple, proven approaches to text retrieval (1997)
0.00
0.0013987164 = product of:
0.0027974327 = sum of:
0.0027974327 = product of:
0.0055948654 = sum of:
0.0055948654 = weight(_text_:e in 4532) [ClassicSimilarity], result of:
0.0055948654 = score(doc=4532,freq=2.0), product of:
0.07046056 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.049020473 = queryNorm
0.07940422 = fieldWeight in 4532, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0390625 = fieldNorm(doc=4532)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e