Traditionally, collaborative systems have been difficult to conceive, design and implement. Although several requirements involved in these products are recurrent, some become inv...
—In the framework of the European Integrated Project PALETTE, the École Polytechnique Fédérale de Lausanne (EPFL) is developing the eLogbook Web 2.0 social software. The purpo...
Denis Gillet, Sandy El Helou, Chiu-Man Yu, Christo...
Many on-line photo sharing systems allow users to tag their images so as to support semantic image search. In this paper, we study how one can take advantages of the already-tagge...
Ning Zhou, W. K. Cheung, Xiangyang Xue, Guoping Qi...
—In an ad-hoc collaborative sharing environment, attribute-based access control provides a promising approach in defining authorization over shared resources based on users’ p...
Grids have the potential to revolutionize computing by providing ubiquitous, on demand access to computational services and resources. However, grid systems are extremely large, c...
Alexandre Duarte, Francisco Vilar Brasileiro, Walf...