An architecture for recovering business events bottom-up

In order to preserve their competitiveness in todays constantly evolving markets companies need integrated systems supporting cooperation within flexible, seamless business processes. However, business processes spanning many functional departments usually involve multiple isolated legacy information systems, which often resist the integration into common workflow management environments to a large extent. Yet, the sheer amount of business logic intrinsic in these information systems makes them very valuable assets, whose modification or extension, when applying standard approaches, is a time consuming and costly process.