Developing Context Aware Support in Mobile GIS Framework

Abstract

Development of geographic information systems for mobile and hand held computer devices requires significantly modified approach in comparison to development of more traditional GISs. Main issues to be addressed are efficient handling of limited memory and processing power, appropriate management and presentation of information on highly restricted devices and design of appropriate user interfaces. User interface design is rarely discussed in research but can significantly impact usability of the system. Communication of data and commands between a user and an application is explicit in most traditional user interface designs. This has the effect that information concerning environment of the user mostly remains unused or has to be formalized by the user. In the mobile environment the goal is to reduce workload for the user and automate, as much as possible, the process of application adaptation to the operating environment conditions. This paper presents basic categorization of context and data structures and algorithms developed for automated context management, interpretation and usage in an application based on mobile GIS application framework.

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