This paper describes a security model for mobile agent based systems. The model defines the notion of a security-enhanced agent and outlines security management components in agen...
We consider the problem of browsing the top ranked portion of the documents returned by an information retrieval system. We describe an interactive relevance feedback agent that a...
This paper reports a controlled study with statistical signi cance tests on ve text categorization methods: the Support Vector Machines (SVM), a k-Nearest Neighbor (kNN) classi er...
Group Decision Support Systems (GDSS) present important limitations that constrain their usage in current organisations. The fundamental reason is the lack of integration in the c...
—Genetic Algorithms (GAs) are powerful search techniques that are used to solve difficult problems in many disciplines. Unfortunately, they can be very demanding in terms of com...