Towards Event-Driven Context-Aware Web Services

Towards Event-Driven Context-Aware Web Services

Guadalupe Ortiz (Quercus Software Engineering Group, Spain & UCASE Software Engineering Group, Spain), Juan Boubeta-Puig (UCASE Software Engineering Group, Spain), Alfonso García de Prado (UCASE Software Engineering Group, Spain) and Inmaculada Medina-Bulo (UCASE Software Engineering Group, Spain)
DOI: 10.4018/978-1-4666-2089-6.ch005
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Web services provide a successful way to communicate distributed applications, in a platform-independent and loosely coupled manner. Even though there are examples of good practice for the design, development, and management of web services, getting services to be context-aware is still under investigation. Current proposals require communication with an external context server or manager, slowing down service performance. In this work, the authors propose an architecture which utilizes complex event processing for detecting context events relevant to the services in question and an aspect-oriented adaptation, maintaining a loosely coupled service implementation as well as keeping its main functionality structure without adding any context-related intrusive code.
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In this section we will introduce the concept of context-awareness, complex event processing and aspect-oriented programming.

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