Method of selecting training sets to build compact and efficient language model Keiji Yasuda author Hirofumi Yamamoto author Eiichiro Sumita 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 yasuda-etal-2007-method https://aclanthology.org/2007.mtsummit-ucnlg.5/ 2007-sep 11