Filtering by: Committee Sunderam, Vaidy, Emory University Remove constraint Committee: Sunderam, Vaidy, Emory University Committee Xiong, Li, Emory University Remove constraint Committee: Xiong, Li, Emory University Degree Ph.D. Remove constraint Degree: Ph.D. Keyword Recommender systems Remove constraint Keyword: Recommender systems Keyword Crowdsourcing Remove constraint Keyword: Crowdsourcing