Web-Based Decision Making for Complex Event Processing Systems

Sophisticated event-pattern rules are the key to successful applications of Complex Event Processing (CEP). However, creating such rules may place heavy demands on business users. In this paper we propose a novel approach to rule composition for the event-based system SARI: Via a web-based user interface, users can compose ruling logic from abstracted, configurable buildings block as previously prepared by power users; business users can thus create, modify and monitor their rules without the need to understand the event-based foundation of an application, or to install additional software. To emphasize the advantages of the new technique over existing approaches, we demonstrate our application in an exemplary workflow from the Value Added Tax (VAT) refund request domain.