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Abstract

This paper presents a LBS (Location Based Service) architecture, development methodology and a development tool to assist LBS developers in building new open standard LBS applications. The approach adopted has been to define new LBS systems based on open standards rather then proprietary driven technologies. SA GESS (Spatial Application Generic Environment System Standards) is an architecture platform for the development and deployment of wireless LBS applications. SAGE (Spatial Application Generic Environment) is a development methodology that outlines a step-by-step development approach to LBS application development. A prototype LBS application was deployed on the author's SA GESS architecture platform, developed using the author's SAGE development guidelines and the SAGE development toolkit. SAGESS and SAGE will decrease LBS development difficulties and provide an open standard approach to LBS application development.

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