Separation of Concerns in VoiceXML Applications

Many commercial applications provide customer services over the web like flight tracking, emergency notification, order inquiry etc. VoiceXML is an enabling technology for creating streamlined speech-based interface for such web-based information services. Whereas in computing, aspect-oriented programming (AOP) is a programming paradigm, which aims to increase modularity. AOP includes programming methods and tools that support the modularization of concerns at the level of the source code. The aim of this paper is to integrate AOP with VoiceXML. Aspect-Oriented Programming (AOP) encapsulates common low-level scattered code within reusable components called aspects. There are certain tags in VoiceXML like ‘’, ‘’, ‘’ which appear commonly in every VoiceXML document. These tags can be considered as the concerns and can be put inside an aspect. This eliminates the need to programmatically write these tags in every VoiceXML document and modularizes the crosscutting-concerns.