Most of the security proposals in m-commerce scenarios have been based on a classical payment model, which basically establishes relationships across domains among customers and me...
— Digital Ecosystems is the new paradigm for dynamic IT business integration. A Digital Ecosystem consists of institutions that compete, collaborate, and form stable or unstable ...
The typical workload in a database system consists of a mixture of multiple queries of different types, running concurrently and interacting with each other. Hence, optimizing per...
Decision support systems are important in leveraging information present in data warehouses in businesses like banking, insurance, retail and health-care among many others. The mu...
Abstract. Hippocratic Databases have been proposed as a mechanism to guarantee the respect of privacy principles in data management. We argue that three major principles are missin...