Bobji Mungamuru, Hector Garcia-Molina. Managing the quality of CPC traffic. In John Chuang, Lance Fortnow, Pearl Pu, editors, Proceedings 10th ACM Conference on Electronic Commerce (EC-2009), Stanford, California, USA, July 6--10, 2009. pages 215-224, ACM, 2009. [doi]
Abstract is missing.