1. Candela, L., Castelli, D., Pagano, P.: Managing big data through hybrid data infrastructures. ERCIM News (89), 37–38 (2012)
2. Doerr, M., Hunter, J., Lagoze, C.: Towards a core ontology for information integration. Journal of Digital Information 4 (2003)
3. Lecture Notes in Computer Science;P. Fafalios,2012
4. Fafalios, P., Tzitzikas, Y.: X-ENS: Semantic Enrichment of Web Search Results at Real-Time. In: Procs of SIGIR 2013 (2013)
5. Gangemi, A., Fisseha, F., Pettman, I., Keizer, J.: Building an integrated formal ontology for semantic interoperability in the fishery domain. In: Procs. of ISWC 2002 (2002)