%0 Conference Paper %B IEEE International Conference on Advanced Learning Technologies-ICALT 2001, Madison, Wisconsin, USA %D 2001 %T Architectures Supporting e-Learning Through Collaborative Virtual Environments: The Case of INVITE %A Christos Bouras %A Thrasivoulos Tsiatsos %A Vasilis Triantafillou %A G Hornig %X The growing need for communication, visualization and organization technologies in the field of e-learning environments has led to the application of virtual reality and the use of collaborative virtual environments. This paper presents a system architecture to support such environments, defined by user needs and using state of the art technologies. %B IEEE International Conference on Advanced Learning Technologies-ICALT 2001, Madison, Wisconsin, USA %P 13 - 16 %8 6 - 8 August %G eng