Unsupervised Multi-document Summarization for News Corpus with Key Synonyms and Contextual Embeddings Yen-Hao Huang author Ratana Pornvattanavichai author Fernando Henrique Calderon Alvarado author Yi-Shin Chen author 2021-10 text Proceedings of the 33rd Conference on Computational Linguistics and Speech Processing (ROCLING 2021) Lung-Hao Lee editor Chia-Hui Chang editor Kuan-Yu Chen editor The Association for Computational Linguistics and Chinese Language Processing (ACLCLP) Taoyuan, Taiwan conference publication huang-etal-2021-unsupervised https://aclanthology.org/2021.rocling-1.25/ 2021-10 192 201