Abstract
E-commerce services based on user geographic location have emerged as a particularly important segment of modern information services. In these user-intensive applications, quality of service is important and design methods are increasingly relying on software standards to achieve quality. In this paper, we propose an evaluation model for location based e-services that provide insights on how overall system quality can be strengthened via identifying the most important quality characteristics of specific user-system interactions facets. The model categorizes location based services into taxonomies of components / functions, which are further analyzed in interaction facets and significance levels. A further mapping to external qualitative sub-characteristics of the ISO9126 quality standard is used to formally decompose design quality into quality attributes. The view of software design through quality attributes is supported by a mathematical model, which calculates significance weights on service components, defined either by designers or by the end users. An experiment, where this method is used to assess functionality is presented.
Highlights
Mobile commerce has grown rapidly in recent years as infrastructure, hardware, and software-supporting technology has dramatically improved its speed and reliability
Points of Sales (PoS) are located in the map or they appear in the results of a user search
location based services (LBS)-enabled services are aimed at a broad spectrum of mobile users and the capture, organisation, classification and satisfaction of user requirements during the analysis anddesign phases are a challenge
Summary
Mobile commerce has grown rapidly in recent years as infrastructure, hardware, and software-supporting technology has dramatically improved its speed and reliability. In this work we propose a Quality Model for designing LBS as sub-systems to e-commerce services This is a research subject that poses several difficulties in relation to other on-line software, namely the push/pull model of information flow, the interaction with objects based on spatial proximity to the user, managing layers of dynamic information and different interaction facets between users and services [7]. A qualitative connection of these components to the characteristics of ISO 9126 is possible in order to pinpoint how each component should be assessed The result of this step is the definition of a model - quality map of the LBS subsystem [11], [12]. The proposed methodology and the mathematical model that complements it assign weight to the characteristics of the functions/components of the LBS sub-system in order to organize system requirements according to end-user preferences.
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