Multi-Dimensional Communication Model for Collaborative Group Activity

Supporting synchronous collaborative learning: A generic, multi-dimensional model

Future CSCL technologies are described by the community as flexible, tailorable, negotiable, and appropriate for various collaborative settings, conditions and contexts. This paper describes the key design issues of a generic synchronous collaborative learning environment, called Omega+. In this approach, “model-based genericity” is applied to the four dimensions of collaborative learning: the ...

Efficient Collaborative Key Management Protocols for Secure Autonomous Group Communication

Group Management and Communication Support for Collaborative Applications

In this paper, an architecture for communication support for collaborative applications is described. The motivation for the design of this architecture is the observation that generic support for group communications is an area which received not much attention until now. The design is based on two components, a group management system (GMS) and group communication support (GCS). The GMS is re...

EÆcient Collaborative Key Management Protocols for Secure Autonomous Group Communication

This paper introduces a new family of protocols addressing collaborative group key agreement for secure group communication in autonomous groups. I present three protocols with varying degrees of security and efciency. The rst protocol provides a non-authenticated key agreement and is suitable for applications with low security requirements. The second and third protocols add a DiÆe-Hellman-bas...

Communication for Conflict Resolution in Multi-Agent Collaborative Planning

Conflict management, communication, and negotiation are important components of collaborative multiagent activity. Thus, a collaborative agent must be able to handle situations in which conflicts arise and must be capable of negotiating with other agents to reach an agreement. This paper presents a model which 1) captures multi-agent collaboration in Propose-Evaluate-Modij~ cycle of actions, 2)...