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 Keyword Recommender systems Remove constraint Keyword: Recommender systems Keyword Crowdsourcing Remove constraint Keyword: Crowdsourcing Submission Type Dissertation Remove constraint Submission Type: Dissertation