T. Berners-lee, Metadata Architecture

T. Berners-lee, D. Connolly, R. R. Swick, and . Web, Semantic Web Road map, 1999.

T. Bray, J. Paoli, and C. M. Sperber-mcqueen, Extensible Markup Language (XML) 1.0, W3C Recommendation, 1998.

D. Brickley and R. V. Guha-eds, Resource Description Framework (RDF) Schema Specification 1.0, W3C Candidate Recommendation 27, 2000.

M. Chein and M. L. Mugnier, Conceptual Graphs: Fundamental Notions, pp.365-406, 1992.

J. Clark, The XT Extensible Stylesheet Language (XSLT) engine

D. Fensel, S. Decker, M. Erdmann, and R. Studer, Ontobroker: Or How to Enable Intelligent Access to the WWW, Proc of the 11th Workshop on Knowledge Acquisition, Modeling and Management (KAW'98), p.1

F. Van-harmelen and D. , Practical knowledge representation for the Web, IEE Two-day Seminar. Searching for Information: Artificial Intelligence and Information Retrieval Approaches, 1999.
DOI : 10.1049/ic:19990882

O. Lassila, Web metadata: a matter of semantics, IEEE Internet Computing, vol.2, issue.4, 1998.
DOI : 10.1109/4236.707688

O. Lassila and R. R. Swick, Resource Description Framework (RDF) Model and Syntax Specification, W3C Recommendation 22, 1999.

S. Luke, L. Spector, D. Rager, and J. Hendler, Ontology-based Web agents, Proceedings of the first international conference on Autonomous agents , AGENTS '97, 1997.
DOI : 10.1145/267658.267668
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.210.1400

P. Martin and P. Eklund, Embedding Knowledge in Web Documents: CGs versus XML-based Metadata Languages, Proc. of the 7th Int. Conf. on Conceptual Graphs (ICCS'99), 1999.
DOI : 10.1007/3-540-48659-3_15
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.25.7888

P. Martin and P. Eklund, Embedding knowledge in Web documents, Proc. of the 8th Int. World Wide Web Conf. (WWW8), pp.324-341, 1999.
DOI : 10.1016/S1389-1286(99)00019-5
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.25.7976

J. F. Sowa, On conceptual structures, Artificial Intelligence, vol.34, issue.3, 1984.
DOI : 10.1016/0004-3702(88)90069-0