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Bailey, James; Bry, François; Eckert, Michael und Patrânjan, Paula Lavinia (2005): Reactivity on the Web. Event Queries in XChange. [PDF, 210kB]

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Abstract

Reactivity, the ability to detect simple and composite events and respond in a timely manner, is an essential requirement in many present-day information systems. With the emergence of new, dynamic Web applications, reactivity on the Web is receiving increasing attention. Reactive Web-based systems need to detect and react not only to simple events but also to complex, real-life situations. This paper introduces XChange, a language for programming reactive behaviour on the Web, emphasising the querying of event data and detection of composite events.

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