IRRA at TREC 2010: Index Term Weighting by Divergence From Independence Model
Bekir Taner Dinçer, İlker Kocabaş, Bahar Karaoğlan · 2010
IRRA (IR-Ra) group participated in the 2010 Web track. In this year, the major concern is to examine the effect of supplementary methods on the effectiveness of the new nonparametric index term weighting model, divergence from independence (DFI). Every written text document contains words, but the words used in individual documents may differ