Filtering by: Committee Hongyuan, Zha, Georgia Institute of Technology Remove constraint Committee: Hongyuan, Zha, Georgia Institute of Technology Committee Xiong, Li, Emory University Remove constraint Committee: Xiong, Li, Emory University Department Math and Computer Science Remove constraint Department: Math and Computer Science Year 2012 Remove constraint Year: 2012 Keyword Web search examination Remove constraint Keyword: Web search examination Keyword information retrieval Remove constraint Keyword: information retrieval Research Field Computer Science Remove constraint Research Field: Computer Science Research Field Information Science Remove constraint Research Field: Information Science School Laney Graduate School Remove constraint School: Laney Graduate School Submission Type Dissertation Remove constraint Submission Type: Dissertation