H. Xiao, M. Huang, and X. Zhu. Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 1, page 2316--2325. (2016)
A. Paranjape, R. West, L. Zia, and J. Leskovec. Proceedings of the Ninth ACM International Conference on Web Search and Data Mining, page 615--624. ACM, (2016)
M. Miwa, and M. Bansal. (2016)cite arxiv:1601.00770Comment: Accepted for publication at the Association for Computational Linguistics (ACL), 2016. 13 pages, 1 figure, 6 tables.