Dr. Lemonia Ragia has a diploma from the Department of Rural and Surveying Engineering at the Aristotle University of Thessaloniki, Greece. Her doctoral degree was at the Institute of Photogrammetry, University of Bonn, Germany. After that she was a Postdoctoral Fellow at Fraunhofer Institute for Autonomous Intelligent Systems (IAIS now). Then she worked at the Computer Science Department of the Technical University of Aachen, Germany. In 2003 she visited the database group at Microsoft Research, Seattle, USA. She was Maitre Assistant at the University of Geneva, Switzerland and Visiting Professor at the University of Toronto, Canada. She has been working in research projects at the Technical University of Crete and she taught there. She participated in several projects and has written many publications in the areas of photogrammetry, image processing, spatial analysis, spatial data mining and Geoinfomatics. Her research has been supported by several European grants.