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Organizations have to face new challenges, hold new opportunities, conquer and maintain important customers and get a better strategic position as faster as possible. The principles used in Autonomic Computing can be adapted to help them survive in this dynamic business scenario. Thus, organizations should count on processes that can be able to(More)
Nowadays, many authors suggest that business rules are a special class of information system requirements. Business rules should have a special handling, from the earliest analysis phases to the implementation. The related literature states many ways for business rule specification, among them, the UML Object Constraint Language (OCL). OCL is an adequate(More)
Many works have been proposed in order to improve the recommendation accuracy. Algorithms aiming to improve recommendation accuracy have been developed and evaluated. These algorithms usually work with training data sets which are learned and used to make predictions on users' tastes. The training data set choice is a difficult task not only due to the(More)