We propose a new cryptographic technique, Acknowledgment Compression, permitting senders of multicast data to verify that all interested parties have either received the data or l...
We have implemented a novel peer-to-peer based environment called Comtella, which allows students to contribute and share class-related resources. This system has been implemented ...
This paper investigates the automatic analysis and segmentation of meetings. A meeting is analysed in terms of individual behaviours and group interactions, in order to decompose e...
We 1 present a method for face detection which uses a new SVM structure trained in an expert manner in the eigenface space. This robust method has been introduced as a post process...
This paper compares popular client and server architectures used for groupware. It presents a client framework and evaluates native, installed clients, Java-based applications, an...