A work flow system is disclosed in which, when a manager server unit of a work flow system divides a work effort into a plurality of tasks and execute the tasks, the manager server unit allocates tasks to client units of task execution persons fitted for the tasks. The work flow system includes a personal...http://www.google.de/patents/US5974392?utm_source=gb-gplus-sharePatent US5974392 - Work flow system for task allocation and reallocation