Current information systems are more and more complex. They require more interactions between different components and users. So, ensuring system security must not be limited to us...
In this paper we present our work toward the creation of a multimodal expressive Embodied Conversational Agent (ECA). Our agent, called Greta, exhibits nonverbal behaviors synchro...
Web-based Information Systems (WIS) are now widely used for diffusing and processing information over the network. Methodological guidelines which assist WIS developers in their t...
Recent advances in computer power, network bandwidth, information storage, and multimedia/signal processing techniques have led to a proliferation of multimedia data. As a result,...
Knowledge work in many fields requires examining several aspects of a collection of documents to attain meaningful understanding that is not explicitly available. Despite recent ad...