While virtual worlds have evolved to provide a good medium for social communication, they are very primitive in their social and affective communication design. The social communic...
Wikis are popular collaborative hypertext authoring environments, but they neither support structured access nor information reuse. Adding semantic annotations helps to address th...
This paper presents a new interaction technique for browsing large visual information bases in a collaborative environment. The ATELIER project deals with learning environments fo...
Traditional library catalog systems have been effective in providing access to collections of books, films, and other material. However, they have many limitations when it comes ...
In this paper we present the design and implementation of a distributed index architecture to facilitate metadata discovery on large networks. Many current information discovery s...