1. Bagnara, R., Carro, M.: Foreign language interfaces for Prolog: A terse survey. ALP newsletter (Mey 2002)
2. Broekstra, J., Kampman, A.: Sesame: A generic architecture for storing and querying RDF and RDF Schema. Technical Report OTK-del-10, Aidministrator Nederland bv (October 2001), http://sesame.aidministrator.nl/publications/del10.pdf
3. Draxler, C.: Accessing relational and NF2 databases through database set predicates. In: Wiggins, G.A., Mellish, C., Duncan, T. (eds.) ALPUK 1991: Proceedings of the 3rd UK Annual Conference on Logic Programming, Workshops in Computing, Edinburgh, pp. 156–173. Springer, Heidelberg (1991)
4. Grosso, W.E., Eriksson, H., Fergerson, R.W., Gennari, J.H., Tu, S.W., Musen, M.A.: Knowledge modeling at the millennium: The design and evolution of Protégé-2000. In: 12th Banff Workshop on Knowledge Acquisition, Modeling, and Management, Banff, Alberta (1999), http://smi.stanford.edu/projects/protege (access date: December 18 2000)
5. RDFCore Working Group. RDF/XML Syntax Specification (Revised)a. W3C Working Draft, World Wide Web Consortium (February 2003), http://www.w3.org/TR/rdf-syntax-grammar/