1. W3C OWL Working Group, OWL 2 Web Ontology Language Document Overview, W3C Recommendation (October 27, 2009),
http://www.w3.org/TR/2009/REC-owl2-overview-20091027/
(accessed June 2011)
2. Lefort, et al.: The W3C Semantic Sensor Network Incubator Group Final Report,
http://www.w3.org/2005/Incubator/ssn/XGR-ssn-20110628/
(accessed June 2011)
3. Baader, F., Calvanese, D., McGuinness, D., Nadi, D., Patel-Schneider, P. (eds.): The Description Logic Handbook. CUP (2003)
4. Baader, F., Calvanese, D., McGuinness, D., Nadi, D., Patel-Schneider, P. (eds.): The Description Logic Handbook, ch. 3. CUP (2003)
5. Chapman, P., Stapleton, G., Howse, J., Oliver, I.: Deriving sound inference rules for concept diagrams. In: IEEE Symposium on Visual Languages and Human-Centric Computing. IEEE (2011)