ILP-based Opinion Sentence Extraction from User Reviews for Question DB Construction Masakatsu Hamashita author Takashi Inui author Koji Murakami author Keiji Shinzato author 2020-10 text Proceedings of the 34th Pacific Asia Conference on Language, Information and Computation Minh Le Nguyen editor Mai Chi Luong editor Sanghoun Song editor Association for Computational Linguistics Hanoi, Vietnam conference publication hamashita-etal-2020-ilp https://aclanthology.org/2020.paclic-1.45/ 2020-10 395 403