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 Keyword Crowdsourcing Remove constraint Keyword: Crowdsourcing School Laney Graduate School Remove constraint School: Laney Graduate School Submission Type Dissertation Remove constraint Submission Type: Dissertation