1. Lecture Notes in Computer Science;S. Gao,2008
2. Sheth, A.P., Ramakrishnan, C.: Semantic (Web) Technology In Action. IEEE Data Engineering Bulletin. 26(4), 40–48 (2003)
3. Gruber, T.R.: A Translation Approach to Portable Ontology Specifications. International Knowledge Acquisition 5(2), 199–220 (1993)
4. Luscher, P., Burghardt, D., Weibel, R.: Ontology-Driven Enrichment of Spatial Databases. In: 10th ICA Workshop on Generalisation and Multiple Representation, Moscow (2007)
5. Antoniou, G., Damasio, C.V., Grosof, B., Horrocks, I., Kifer, M., Maluszynski, J., Patel-Schneider, P.F.: Combining Rules and Ontologies: A survey (2005)