1. Aouad, G., Brandon, P., Brown, F., Cooper, G., Ford, S., Kirkham, J., Oxman, R., Sarshar, M., and Young, B. (1994). Integration of Construction Information (ICON), Final Report, University of Salford, UK.
2. Baeza-Yates and Ribeiro-Neto (1999). Modern information retrieval, ACM, pp. 25–27.
3. Carrillo, P. and Chinowsky, P. (2006). “Exploiting knowledge management: The engineering and construction perspective.” Journal of Management in Engineering, ASCE, Vol. 22, No. 1, pp. 2–10.
4. Davies, J., Fensel, D., and Harmelen, F. V. (2003). Towards the semantic web: Ontology-driven knowledge management, Wiley, p. 157.
5. E-COGNOS project (Consistent knowledge management across projects and between enterpriSes in the construction domain) (2005). IST-2000-28671〈 http://www.e-cognos.org 〉.