Luke Steller Shonali Krishnaswamy Mohamed Medhat Gaber Enabling Scalable Semantic Reasoning for Mobile Services. 91-116 2009 5 Int. J. Semantic Web Inf. Syst. 2 http://www.igi-global.com/articles/details.asp?ID=35038 db/journals/ijswis/ijswis5.html#StellerKG09