Georgios Vafeiadis is a Researcher and Semantic Web Engineer at the Software and Knowledge Engineering Laboratory (SKEL) at the Institute of Informatics and Telecommunications of the National Center of Scientific Research «Demokritos». He graduated from the University of Aegean, Department of Cultural Technology and Communication. He worked as Semantic Web Engineer and Web Developer at www.publicspending.net, an open government data platform which interconnects and analyses more than 1.5 trillion euros of public expenditure around the world. He also worked as Software Engineer at GLOBO Technologies SA. His research interests include Semantic Web Technologies and Data Management.