We consider the view maintenance problem in a web-based environment, in which clients query information from databases, stored in the form of materialized data warehouses, without...
This paper discusses four ways that humans interact with their environments, plus four variables that determine the experience of virtual reality, and also which of the interactio...
Freehand sketching has long had appeal as an artistic medium for conceptual design because of its immediacy in capturing and communicating design intent and visual experience. We ...
While the IP unicast service has proven successful, extending end-to-end adaptation to multicast has been a difficult problem. Unlike the unicast case, multicast protocols must su...
A model was introduced in [Fraga97] for integrating replication techniques in heterogeneous systems. The model adopts a reflective structure based on the meta-object approach [10]...
Lau Cheuk Lung, Joni da Silva Fraga, Carlos Mazier...