Improving Topic Models with Latent Feature Word Representations Dat Quoc Nguyen author Richard Billingsley author Lan Du author Mark Johnson author 2015 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal nguyen-etal-2015-improving-topic 10.1162/tacl_a_00140 https://aclanthology.org/Q15-1022/ 2015 3 299 313