Activity spaces are usually task-specific and only common to a group of people who work together in a certain application domain. It is desirable to enable users to define and mod...
Abstract. A simple model for method-based authorization is defined and an algorithm is presented for testing in compile-time whether a given database schema violates authorization...
This paper describes the client-server design, implementation and experimental results for a system that supports real-time visual interaction between a large number of users in a...
A major problem challenging opera designers is the inability to coordinate lighting, projection systems, and set designs in the preliminary planning phase. New computer graphics t...
A large number of computer tasks can be modeled as the search for an object near a given query. From multimedia databases to learning algorithms, data mining and pattern recognitio...