Acquiring Event Relation Knowledge by Learning Cooccurrence Patterns and Fertilizing Cooccurrence Samples with Verbal Nouns Shuya Abe author Kentaro Inui author Yuji Matsumoto author 2008 text Proceedings of the Third International Joint Conference on Natural Language Processing: Volume-I conference publication abe-etal-2008-acquiring https://aclanthology.org/I08-1065/ 2008