Filtering by: Committee Agichtein, Eugene, Emory University Remove constraint Committee: Agichtein, Eugene, Emory University Committee Hongyuan, Zha, Georgia Institute of Technology Remove constraint Committee: Hongyuan, Zha, Georgia Institute of Technology Committee Lu, James, Emory University Remove constraint Committee: Lu, James, Emory University Department Math and Computer Science Remove constraint Department: Math and Computer Science Year 2012 Remove constraint Year: 2012 Keyword Web search Remove constraint Keyword: Web search Keyword Web search sessions Remove constraint Keyword: Web search sessions Keyword user studies Remove constraint Keyword: user studies