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Assuring the quality of an expert system is critical. A poor quality system may make costly errors resulting in considerable damage to the user or owner of the system, such as financial loss or human suffering. Hence verification and validation, methods and techniques aimed at ensuring quality, are fundamentally important. This paper surveys the issues,(More)
Domain visualization is one of the new research fronts resulted from the proliferation of information visualiza-tion, aiming to reveal the essence of a knowledge domain. Information visualization plays an integral role in modeling and representing intellectual structures associated with scientific disciplines. In this article, the domain of computer(More)
Visual Interactive Simulation (VIS) is the development and application of simulations which produce a dynamic display of the system model, and allow the user to interact with the running simulation. This paper presents the basic ideas behinds VIS, and the methods whereby it can be achieved. The benefits of using VIS, and folklore about the advantages and(More)
There is currently a growing literature on the role that trust plays in encouraging consumers to engage in e-commerce transactions. Various models have been proposed which aim to identify both the antecedents and outcomes of trust displayed towards e-commerce web sites. Increased trust is generally shown to increase positive user attitude which in turn is(More)