Towards Coherent Multi-Document Summarization Janara Christensen author Mausam author Stephen Soderland author Oren Etzioni author 2013-06 text Proceedings of the 2013 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Lucy Vanderwende editor Hal Daumé III editor Katrin Kirchhoff editor Association for Computational Linguistics Atlanta, Georgia conference publication christensen-etal-2013-towards https://aclanthology.org/N13-1136/ 2013-06 1163 1173