@inproceedings{hashimoto-etal-2012-excitatory, title = "Excitatory or Inhibitory: A New Semantic Orientation Extracts Contradiction and Causality from the Web", author = "Hashimoto, Chikara and Torisawa, Kentaro and De Saeger, Stijn and Oh, Jong-Hoon and Kazama, Jun{'}ichi", editor = "Tsujii, Jun{'}ichi and Henderson, James and Pa{\c{s}}ca, Marius", booktitle = "Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning", month = jul, year = "2012", address = "Jeju Island, Korea", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/D12-1057/", pages = "619--630" }