筛选: Committee Agichtein, Eugene, Emory University 删除限定条件 Committee: Agichtein, Eugene, Emory University Committee Hongyuan, Zha, Georgia Institute of Technology 删除限定条件 Committee: Hongyuan, Zha, Georgia Institute of Technology Committee Lu, James, Emory University 删除限定条件 Committee: Lu, James, Emory University Department / Specialty Math and Computer Science 删除限定条件 Department / Specialty: Math and Computer Science Research Field Information Science 删除限定条件 Research Field: Information Science