1. Abrahams, B.: Tourism Information Systems Integration and Utilization within the Semantic Web (2006), http://wallaby.vu.edu.au/adt-VVUT/uploads/approved/adt-VVUT20070514.125504/public/02Chapter1-3.pdf
2. Zgrzywa, A.: The evaluation of the response time for a tourist agency’s service system. Information and Software Technology 40, 37–44 (1998)
3. Legrand, B.: Semantic Web Methodologies and Tools for Intra-European Sustainable Tourism. JITT (2004)
4. Robert, B., Christina, F., Birgit II, P., Christoph, G., Hannes, W.: Covering the semantic space of tourism: an approach based on modularized ontologies. In: Proceedings of the 1st Workshop on Context, Information and Ontologies, ACM, Heraklion (2009)
5. Bizer, C., Schultz, A.: The Berlin SPARQL Benchmark. International Journal on Semantic Web and Information Systems - Special Issue on Scalability and Performance of Semantic Web Systems 5, 1–24 (2009)