1. Acciarri A, Calvanese D, De Giacomo G, Lembo D, Lenzerini M, Palmieri M, Rosati R (2005) QUONTO: QUerying ONTOlogies. In: Veloso M, Kambhampati S (eds) Proceedings of the twentieth national conference on artificial intelligence and the seventeenth innovative applications of artificial intelligence conference. AAAI Press/MIT Press, Menlo Park, pp 1670–1671
2. Adida B, Herman I, Sporny M (eds) (2012) RDFa 1.1 primer, rich structured data markup for web documents—W3C working group note 07 June 2012, W3C, ( http://www.w3.org/TR/2012/NOTE-rdfa-primer-20120607/ , last accessed 4 February 2013)
3. Arndt R, Troncy R, Staab S, Hardman L (2009) COMM: a core ontology for multimedia annotation. In: Staab S, Studer R (eds) Handbook on ontologies, 2nd edn. Springer, Berlin, pp 403–421
4. Athanasiadis T, Tzouvaras V, Petridis K, Precioso F, Avrithis Y, Kompatsiaris Y (2005) Using a multimedia ontology infrastructure for semantic annotation of multimedia content. In: Handschuh S, Declerck T, Koivunen M-R (eds) Proceedings of the 5th International Workshop on Knowledge Markup and Semantic Annotation, SemAnnot 2005, co-located with the 4th International Semantic Web Conference, ISWC 2005, CEUR 185, Trier, pp. 59–68 ( http://ceur-ws.org/Vol-185/semAnnot05-06.pdf , last accessed 4 February 2013)
5. Ayari N, Chibani A, Amirat Y (2012) A semantic approach to enhance human-robot interaction in AmI environments. In: Yamada S (ed) Proceedings of the 2012 International Workshop on Human-Agent Interaction (iHAI 2012), co-located with the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2012). National Institute of Informatics, Osaka, pp 61–64