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Use Cases for Reactivity on the Web: Using ECA Rules for Business Process Modeling

Nowadays the Web is not only a huge amount of data that can be searched for and viewed upon request. The Web becomes the means for enterprises to deliver their goods and services and for consumers to find and retrieve services that match their needs. Reactivity on the Web, the ability to detect situations of interest that occur on the Web and automatically respond to them, becomes a research area of a growing importance. Following a declarative approach to reactivity on the Web, a novel reactive language called XChange has been developed at the Institute for Informatics, University of Munich. An XChange program consists of a number of Event-Condition-Action rules, that specify the execution of certain actions in case certain situations take place. A business process is a set of logically related activities that are combined to achieve some business goals. Business process modeling is a fundamental phase of each business process lifecycle, dealing with the design and implementation of business processes. This work is dedicated to the investigation and demonstration on examples of the rulebased method to model business processes. These are implemented by means of the reactive language XChange, in conformity with the business rules approach – an exciting new technology beginning to have a major impact on the IT industry.