1. Marketakis, Y., Tzitzikas, Y., Tona, C., Argenti, M., Marelli, F., Albani, M., Guarino, R., Polsinelli, B., Bitto, R.: On harmonizing earth science policies, semantics, metadata and ontologies. In: Ensuring the Long-Term Preservation and Value Adding to Scientific and Technical Data (PV’2013) (2013)
2. Tzitzikas, Y., Allocca, C., Bekiari, C., Marketakis, Y., Fafalios, P., Doerr, M., Minadakis, N., Patkos, T., Candela, L.: Integrating heterogeneous and distributed information about marine species through a top level ontology. In: Metadata and Semantics Research, pp. 289–301. Springer, New York (2013)
3. Tzitzikas, Y., Allocca, C., Bekiari, C., Marketakis, Y., Fafalios, P., Doerr, M., Minadakis, N., Patkos, T., Candella, L.: Unifying heterogeneous and distributed information about marine species through the top level ontology MarineTLO. Program Electron. Library Inf. Syst. 50(1), 16 (2015)
4. Kondylakis, H., Plexousakis, D., Hrgovcic, V., Woitsch, R., Premm, M., Schüle, M.: Agents, models and semantic integration in support of personal ehealth knowledge spaces. In: Proceedings of Web Information Systems Engineering—WISE 2014—15th International Conference, Thessaloniki, Greece, October 12–14, 2014, Part I, pp. 496–511 (2014)
5. Kondylakis, H., Spanakis, E.G., Sfakianakis, S., Sakkalis, V., Tsiknakis, M., Marias, K., Zhao, X., Yu, H., Dong, F.: Digital patient: personalized and translational data management through the myhealthavatar EU project. In: 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2015, Milan, Italy, August 25–29, 2015, pp. 1397–1400 (2015)