@conference{22161, author = {Hoa Dang and Jimmy Lin}, title = {Different Structures for Evaluating Answers to Complex Questions: Pyramids Are Stable, and So Are Human Assessors}, year = {2007}, month = {2007-06-23}, publisher = {Proceedings of the 45th Annual Meeting of the Association for Computational Linguistics, Prague, Czech Republic, }, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=51158}, language = {en}, }