Paraphrasing Using Given and New Information in a Question-Answer System Kathleen R McKeown author 1979-06 text 17th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics La Jolla, California, USA conference publication mckeown-1979-paraphrasing 10.3115/982163.982182 https://aclanthology.org/P79-1016/ 1979-06 67 72