Concept-based Summarization using Integer Linear Programming: From Concept Pruning to Multiple Optimal Solutions Florian Boudin author Hugo Mougard author Benoit Favre author 2015-09 text Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing Lluís Màrquez editor Chris Callison-Burch editor Jian Su editor Association for Computational Linguistics Lisbon, Portugal conference publication boudin-etal-2015-concept 10.18653/v1/D15-1220 https://aclanthology.org/D15-1220/ 2015-09 1914 1918