Ryusuke Masuoka Yannis Labrou Bijan Parsia Evren Sirin Ontology-Enabled Pervasive Computing Applications. 68-72 2003 18 IEEE Intelligent Systems 5 http://csdl.computer.org/comp/mags/ex/2003/05/x5068abs.htm db/journals/expert/expert18.html#MasuokaLPS03