Dr. Konstantinos I. Kotis obtained his BSc (Hons) from the Honours School of Computation at University of Manchester (UMIST), UK, in 1995. He obtained his PhD in Information Management (in the area of Knowledge Representation and Engineering) from the Department of Information and Communication Systems Engineering, University of the Aegean, Greece, in 2005. He then worked as a post-doctoral researcher at the Artificial Intelligence Lab of the same department (2005-2006). From 2006 to 2010 he also worked at the same department as an adjunct lecturer and as a post-doc researcher. During this period he supervised or co-supervised several theses and taught courses at both graduate and post-graduate level. Konstantinos also worked as an IT director in a governmental local administrative authority organization (2000-2018). His research interests include but not limited to: Knowledge engineering, Ontology Engineering, Semantic Interoperability, Semantic Web and the Web of Things. His latest research interest focus on Semantic Interoperability in the Web of Things and Ontology-based Data Integration (OBDA). He has published more than 60 peer-reviewed papers (h-index of 16). Dr. Kotis is a member of the Hellenic Artificial Intelligence Company (EETN). In addition, he has served as a reviewer in several international journals and also as a member of conferences’ program committees. In Nov. 2011 he has been awarded an one-year ERCIM fellowship at post-doc level, working on ‘semantic interoperability and smart environments’ at VTT Technical Research Centre of Finland. Finally, he has been participating in ERCIM Research Exchange and ERASMUS LLP-teaching programs (Poland-University of Zielona Góra, Austria-TUW@DIS group, Switzerland-UZH@DDIS group). Currently he is a full-time assistant professor (WWW&IT) at the University of the Aegean, Dept. of Cultural Technology and Communication, member of the Intelligent Systems Lab.