@InProceedings{yangarber-grishman-tapanainen:2000:ANLP, author = {Roman Yangarber and Ralph Grishman and Pasi Tapanainen}, title = {Unsupervised Discovery of Scenario-Level Patterns for Information Extraction}, booktitle = {Proceedings of the Sixth Conference on Applied Natural Language Processing}, month = {April}, year = {2000}, address = {Seattle, Washington, USA}, publisher = {Association for Computational Linguistics}, pages = {282--289}, url = {http://www.aclweb.org/anthology/A00-1039}, doi = {10.3115/974147.974186} }