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Even though we are in the information age, we do not have quantitative, objective tools to evaluate organisational information systems. This paper contributes a fundamental theory: information systems balance theory for this purpose. We design and develop a theoretic framework based on an economic model. We use this robust economic model to explain the value chain of designated information systems...
The Markov model has been applied to many prediction applications including the student models of intelligent tutoring systems. In this paper, we extend this well-known model to the weighted Markov model, and then apply it to student models in order to predict student behaviors. The prediction using our models is based not only on the frequency of collective behaviors of previous users, but also on...
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