1. Toward Principles for the Design of Ontologies Used for Knowledge Sharing, Technical Report, KSL 93–04;Gruber,1993
2. Ontology based framework using a semantic web for addressing semantic recognition in construction;Issa;Lect. Notes Artif. Int., LNAI,2006
3. Ontology Development 101: A Guide to Creating Your First Ontology, Technical Report SMI-2001–0880;Noy,2001
4. R.R.A. Issa, T. Arciszewski, Ontology: An Introduction, Teaching Modules in ASCE Global Center of Excellence in Computing, .
5. Artificial Intelligence: A Modern Approach;Russell,2003