Is Wikipedia Really Neutral? A Sentiment Perspective Study of War-related Wikipedia Articles since 1945 Yiwei Zhou author Alexandra Cristea author Zachary Roberts author 2015-10 text Proceedings of the 29th Pacific Asia Conference on Language, Information and Computation Hai Zhao editor Shanghai, China conference publication zhou-etal-2015-wikipedia https://aclanthology.org/Y15-1019/ 2015-10 160 168