Nobuyuki Kanaya Hirotaka Hara Yoshihide Nomura Hitoshi Komori Tsuyoshi Ebata Distributed Workflow Management System for Electronic Commerce. 150-159 2000 conf/edoc/2000 EDOC http://computer.org/proceedings/edoc/0865/08650150abs.htm db/conf/edoc/edoc2000.html#KanayaHNKE00