%0 Journal Article %T Investigating task performance of probabilistic topic models: an empirical study of PLSA and LDA %A Lu, Yue %A Mei, Qiaozhu %A Zhai, ChengXiang %J Discover Computing %V 14 %N 2 %P 178-203 %@ 2948-2984 %D 2011-04-01 %I Springer Netherlands %~ DeepDyve