Research activities:The Multimedia Technology Laboratory (Medialab) at the National Technical University of Athens, Greece, has a history of producing groundbreaking technological advances and fundamental contributions in the fields of:- Internet technologies and Web Applications- Semantic Web, Linked Open Data (LOD), Big Data handling- Image Processing and Computer Vision- Data Communications and Computer NetworksResearch activities are carried on in a research laboratory equipped with 20 networked workstations, multimedia platforms, and data clusters.Educational activities:The educational activities of the faculty members cover the field of Multimedia Technology and Communications, Image Processing, Software Programming, Internet Technologies, Digital Design, Logic Circuit Laboratory, Electronics, and Analogue Electronics System Laboratory. Recently, affiliate members from other academic institutes and industry cover the fields of Web Economy, Semantic Enterprise and other Web 2.0/3.0 trends.