This paper introduces a multicast based architecture for supporting large scale Collaborative Virtual Environments (CVEs). The paper begins by defining CVEs, discussing the motivat...
– In the past few years considerable demand for user oriented multimedia information systems has developed. These systems must provide a rich set of functionality so that new, co...
In this paper we present a rule-based system for automatic extraction of definitions from Portuguese texts. As input, this system takes text that is previously annotated with morph...
In this paper, we study a sequential decision making problem. The objective is to maximize the total reward while satisfying constraints, which are defined at every time step. The...
: Simplifying data programming is a core mission of data management research. The issue at stake is to help engineers build efficient and robust data-centric applications. The fron...