One of the factors that affect successful collaborative learning is the composition of collaborative groups. Due to the lack of intelligent grouping according to learners’ pedag...
Role-based access control (RBAC) has been proven to be a flexible and useful access control model for information sharing in distributed collaborative environments. Permission-rol...
This paper presents an Activity Theoretical analysis and design model for Web-based experimentation, which is one of the online activities that plays a key role in the development ...
The goal of this article is to propose an environment for negotiation e-learning courses using a workflow approach to help learners to prepare the negotiation. This environment is...
In this paper, we present a novel deployment-time binding selection framework for Web services to improve the performance. Using the information about target environments, we dete...
Sang Jeong Lee, Kyung Dong Ryu, Kang-Won Lee, Jong...