Comparative News Summarization Using Linear Programming Xiaojiang Huang author Xiaojun Wan author Jianguo Xiao author 2011-06 text Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies Dekang Lin editor Yuji Matsumoto editor Rada Mihalcea editor Association for Computational Linguistics Portland, Oregon, USA conference publication huang-etal-2011-comparative https://aclanthology.org/P11-2114/ 2011-06 648 653