Social Web Observatory: An entity-driven, holistic information summarization platform across sources Leonidas Tsekouras author Georgios Petasis author Aris Kosmopoulos author 2019-09 text Proceedings of the Workshop MultiLing 2019: Summarization Across Languages, Genres and Sources George Giannakopoulos editor INCOMA Ltd. Varna, Bulgaria conference publication tsekouras-etal-2019-social 10.26615/978-954-452-058-8_007 https://aclanthology.org/W19-8907/ 2019-09 44 52