1. Berners-Lee T., Hendler J., Lassila O. (2001) The Semantic Web. Scientific American 284(5):34–43
2. Breuker, J. (2004). Constructing a Legal Core Ontology: LRI-Core, in Workshop on Ontologies and their Applications
3. Delgado, J., Gallego, I., García, R., Gil, R., Peig, E., and Tous, R. (2001). Intellectual Property Rights Ontology (IPROnto), ISO/IEC JTC1/SC29/WG11 M7675, Technical Report, Moving Picture Experts Group
4. Delgado, J., Gallego I., García R., and Gil R. (2002). An Architecture for Negotiation with Mobile Agents. In Karmouch, A., Magedanz, T., and Delgado, J. (eds.), Mobile Agents for Telecommunication Applications: 4th International Workshop, Springer-Verlag, 21–31
5. Fernández-López, M., Gómez-Pérez, A., and Juristo, N. (1997). Methontology: from Ontological Art Towards Ontological Engineering. In Proceedings of Symposium on Ontological Engineering of AAAI