A workflow engine for rendering instant workflow decisions includes a workflow designer, a web site interface, a database, checklists created by the workflow designer and associated with at least one workflow process, and a messaging system for brokering messages. The workflow engine uses checklists...http://www.google.com.tw/patents/US20020040312?utm_source=gb-gplus-share專利 US20020040312 - Object based workflow system and method
