Q. Zhao, S. Bhowmick, X. Zheng, und K. Yi. CIKM '08: Proceeding of the 17th ACM conference on Information and knowledge management, Seite 309--318. New York, NY, USA, ACM, (2008)
Q. Zhao, S. Bhowmick, X. Zheng, und K. Yi. CIKM '08: Proceeding of the 17th ACM conference on Information and knowledge management, Seite 309--318. New York, NY, USA, ACM, (2008)