The Thumbs Up! Twente system for GIVE 2.5 Saskia Akkersdijk author Marin Langenbach author Frieder Loch author Mariët Theune author 2011-09 text Proceedings of the 13th European Workshop on Natural Language Generation Claire Gardent editor Kristina Striegnitz editor Association for Computational Linguistics Nancy, France conference publication akkersdijk-etal-2011-thumbs https://aclanthology.org/W11-2852/ 2011-09 312 317