Koya Imanishi Kenji Hisazumi Tsuneo Nakanishi Teruaki Kitasuka Akira Fukuda Design of a Context-aware Message Exchange System in an Ad-hoc Network. 1142-1146 2004 conf/pdpta/2004-3 PDPTA db/conf/pdpta/pdpta2004-3.html#ImanishiHNKF04