Filtering by: Committee Jiang, Xiaoqian, University of California, San Diego Remove constraint Committee: Jiang, Xiaoqian, University of California, San Diego Committee Xiong, Li, Emory University Remove constraint Committee: Xiong, Li, Emory University Committee Ho, Joyce, Emory University Remove constraint Committee: Ho, Joyce, Emory University Keyword Crowdsourcing Remove constraint Keyword: Crowdsourcing