Fumio Hattori Kazuhiro Kuwabara Noriaki Kuwahara Shinji Abe Kiyoshi Yasuda Socialware for People with Disabilities. 321-326 2007 conf/IEEEicci/2007 IEEE ICCI http://dx.doi.org/10.1109/COGINF.2007.4341905 db/conf/IEEEicci/IEEEicci2007.html#HattoriKKAY07