Some Challenges in the Design of Comparative and Evaluative Question Answering Systems Nathalie Lim author Patrick Saint-Dizier author Rachel Roxas author 2009-08 text Proceedings of the 2009 Workshop on Knowledge and Reasoning for Answering Questions (KRAQ 2009) Patrick Saint-Dizier editor Marie-Francine Moens editor Association for Computational Linguistics Suntec, Singapore conference publication lim-etal-2009-challenges https://aclanthology.org/W09-2704/ 2009-08 15 18