Young-Gab Kim Chang-Joo Moon Dongwon Jeong Jeong-Oog Lee Chee-Yang Song Doo-Kwon Baik Context-Aware Access Control Mechanism for Ubiquitous Applications. 236-242 2005 conf/awic/2005 AWIC http://dx.doi.org/10.1007/11495772_37 db/conf/awic/awic2005.html#KimMJLSB05