Since its establishment in 1983, the Institute of Computer Science at FORTH has had a relatively long history and recognized tradition in conducting basic and applied research, developing applications and products, providing services, and playing a leading role in Greece and internationally, in the fields of Information and Communication Technologies. It is the top rated research institute in Greece in the area of ICT, and represents Greece within the ERCIM network of European ICT institutes. Its Information Systems Laboratory combines expertise in knowledge representation and reasoning, database systems, web-based information systems and conceptual modelling, and is one of the leading research groups in the area of the semantic web.