Filtering by: Committee Jiang, Xiaoqian, University of California, San Diego Remove constraint Committee: Jiang, Xiaoqian, University of California, San Diego Committee Sunderam, Vaidy, Emory University Remove constraint Committee: Sunderam, Vaidy, Emory University Committee Ho, Joyce, Emory University Remove constraint Committee: Ho, Joyce, Emory University Degree Ph.D. Remove constraint Degree: Ph.D. Keyword Crowdsourcing Remove constraint Keyword: Crowdsourcing Keyword Recommender systems Remove constraint Keyword: Recommender systems