Unsupervised Event Clustering and Aggregation from Newswire and Web Articles Swen Ribeiro author Olivier Ferret author Xavier Tannier author 2017-09 text Proceedings of the 2017 EMNLP Workshop: Natural Language Processing meets Journalism Octavian Popescu editor Carlo Strapparava editor Association for Computational Linguistics Copenhagen, Denmark conference publication ribeiro-etal-2017-unsupervised 10.18653/v1/W17-4211 https://aclanthology.org/W17-4211/ 2017-09 62 67