Kenta Cho Hisashi Hayashi Masanori Hattori Akihiko Ohsuga Shinichi Honiden picoPlangent: An Intelligent Mobile Agent System for Ubiquitous Computing. 43-56 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3371&spage=43 2004 conf/prima/2004 PRIMA db/conf/prima/prima2004.html#ChoHHOH04