Markov Random Topic Fields Hal Daumé III author 2009-08 text Proceedings of the ACL-IJCNLP 2009 Conference Short Papers Keh-Yih Su editor Jian Su editor Janyce Wiebe editor Haizhou Li editor Association for Computational Linguistics Suntec, Singapore conference publication daume-iii-2009-markov https://aclanthology.org/P09-2074/ 2009-08 293 296