This invention provides an agent system that can easily detect an error in the system, and that can prioritize agents to be processed. This invention makes the agent system more flexible than the prior art. In order achieve this object, each agent according to this invention has an ID and priority number...http://www.google.com.hk/patents/US6466963?utm_source=gb-gplus-share專利 US6466963 - Agent system with prioritized processing of mobile agents