[2] Agosta, L., 1999. Behind the Business Intelligent Portal. Intelligent Enterprise. 2, 11, 31-35.

[3] Brick, B. and Henry, J., 1999. Enterprise Portals: Not Just Information Delivery. Intelligent Enterprise. 2, 16, 24-27.

[4] Camarinha-matos, L.M., Afsarmanesh, H., Garita, C. and Lima, C., 1998, Toward an Architecture for Virtual Enterprises, Journal of Intelligent Manufacturing, 9, 189-199.

[5] Camarinha-Matos, L.M. and Lima, C., 1998. Configuration and Coordination Issues in a Virtual Enterprise Environment. 685-696. In Jacucci, G., et. al. (Eds.) Globalization of Manufacturing in the Digital Communications Era of the 21st Century: Innovation, Agility, and the Virtual Enterprise. Kluwer Academic Publishers, Norwell, MA 02061, USA

[6] Chen, Q.X. and Lee, W.B., 2000. Qualitative Search Algorithms for Partner Selection