Federated Event Systems: The Event Web

by K. Mani Chandy and Michael Olson
California Institute of Technology
Event-driven applications that are constructed as compositions of Web applications offer significant benefits. Just as mashups compose Web services to create added value, so too can compositions of event-driven applications create added value.

This article first reviews concepts about event driven applications, sense & respond systems, and presents metrics for evaluating and comparing such systems; then a few examples of federated Web applications are presented; and finally two examples of Business Application Monitoring (BAM) dashboards dealing with politics and with startup companies are presented as illustrations.

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