Dang, E.K.F.; Luk, R.W.P.; Allan, J.; Ho, K.S.; Chung, K.F.L.; Lee, D.L.: ¬A new context-dependent term weight computed by boost and discount using relevance information (2010)
0.04
0.04148038 = product of:
0.12444114 = sum of:
0.12444114 = weight(_text_:d.l in 4120) [ClassicSimilarity], result of:
0.12444114 = score(doc=4120,freq=2.0), product of:
0.31052554 = queryWeight, product of:
7.2542357 = idf(docFreq=84, maxDocs=44218)
0.0428061 = queryNorm
0.40074366 = fieldWeight in 4120, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.2542357 = idf(docFreq=84, maxDocs=44218)
0.0390625 = fieldNorm(doc=4120)
0.33333334 = coord(1/3)