@conference{49821, author = {Audrey Tong and Mark Przybocki}, title = {Document Image Collection Using Amazon s Mechanical Turk}, year = {2010}, month = {2010-06-04}, publisher = {Proceedings of the 11th Annual Conference of the North American Chapter of the Association for Computational Linguistics , Los Angeles, CA}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=906834}, language = {en}, }