Konstantinos Stamatakis has experience in the area of Information Discovery and Extraction from online resources. Being a research associate in NCSR “Demokritos” during the last years he has worked in several national and european RTD projects and has developed methods and tools for crawling and spidering the Internet and an Information Discovery Platform incorporating several applications involved in information identification and extraction from the Web (ontologies, formation of corpora, training, crawling, spidering, extraction of information, data storage and representation).