TITCH: attribute selection based on discrimination power and frequency Philipp Spanger author Kurosawa Takahiro author Tokunaga Takenobu author 2007-sep 11 text Proceedings of the Workshop on Using corpora for natural language generation Anja Belz editor Sebastian Varges editor Copenhagen, Denmark conference publication spanger-etal-2007-titch https://aclanthology.org/2007.mtsummit-ucnlg.20/ 2007-sep 11