-
Allan, J.; Croft, W.B.; Callan, J.: ¬The University of Massachusetts and a dozen TRECs (2005)
0.02
0.023083268 = product of:
0.0692498 = sum of:
0.0692498 = product of:
0.1384996 = sum of:
0.1384996 = weight(_text_:2005 in 5086) [ClassicSimilarity], result of:
0.1384996 = score(doc=5086,freq=3.0), product of:
0.19702037 = queryWeight, product of:
4.329179 = idf(docFreq=1583, maxDocs=44218)
0.04550987 = queryNorm
0.702971 = fieldWeight in 5086, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
4.329179 = idf(docFreq=1583, maxDocs=44218)
0.09375 = fieldNorm(doc=5086)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Year
- 2005
-
Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987)
0.02
0.01644256 = product of:
0.049327675 = sum of:
0.049327675 = product of:
0.09865535 = sum of:
0.09865535 = weight(_text_:22 in 334) [ClassicSimilarity], result of:
0.09865535 = score(doc=334,freq=2.0), product of:
0.15936781 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04550987 = queryNorm
0.61904186 = fieldWeight in 334, 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=334)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Source
- Annual review of information science and technology. 22(1987), S.109-145
-
Allan, J.; Callan, J.P.; Croft, W.B.; Ballesteros, L.; Broglio, J.; Xu, J.; Shu, H.: INQUERY at TREC-5 (1997)
0.01
0.010276599 = product of:
0.030829797 = sum of:
0.030829797 = product of:
0.061659593 = sum of:
0.061659593 = weight(_text_:22 in 3103) [ClassicSimilarity], result of:
0.061659593 = score(doc=3103,freq=2.0), product of:
0.15936781 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04550987 = queryNorm
0.38690117 = fieldWeight in 3103, 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=3103)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Date
- 27. 2.1999 20:55:22
-
Liu, X.; Croft, W.B.: Statistical language modeling for information retrieval (2004)
0.01
0.007853087 = product of:
0.023559261 = sum of:
0.023559261 = product of:
0.047118522 = sum of:
0.047118522 = weight(_text_:2005 in 4277) [ClassicSimilarity], result of:
0.047118522 = score(doc=4277,freq=2.0), product of:
0.19702037 = queryWeight, product of:
4.329179 = idf(docFreq=1583, maxDocs=44218)
0.04550987 = queryNorm
0.23915559 = fieldWeight in 4277, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.329179 = idf(docFreq=1583, maxDocs=44218)
0.0390625 = fieldNorm(doc=4277)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Source
- Annual review of information science and technology. 39(2005), S.3-32