Smoothing document language models with probabilistic term count propagation.

Azadeh Shakery ChengXiang Zhai Smoothing document language models with probabilistic term count propagation. 139-164 2008 11 Inf. Retr. 2 http://dx.doi.org/10.1007/s10791-007-9041-9 db/journals/ir/ir11.html#ShakeryZ08