Abstractive Multi-document Summarization by Partial Tree Extraction, Recombination and Linearization Litton J Kurisinkel author Yue Zhang author Vasudeva Varma author 2017-11 text Proceedings of the Eighth International Joint Conference on Natural Language Processing (Volume 1: Long Papers) Greg Kondrak editor Taro Watanabe editor Asian Federation of Natural Language Processing Taipei, Taiwan conference publication j-kurisinkel-etal-2017-abstractive https://aclanthology.org/I17-1082/ 2017-11 812 821