Pablo CesarPablo Cesar is a postdoctoral researcher at CWI (The National Research Institute for Mathematics and Computer Science in the Netherlands) in Amsterdam. He received a Dr. Tech. degree (December 2005) from Helsinki University of Technology (Finland) an a M. Sc. degree (February 2002) from Universidad Politecnica de Madrid (Spain). Pablo Cesar has (co)authored over 40 articles (conference papers and journal articles) about multimedia systems and infrastructures, media sharing, interactive media, multimedia content modelling, and user interaction. He is, as well, involved in standardization activities (e.g., SMIL from W3C). He is co-editor of the TOMCCAP special issue “Human-Centred Television: Directions in Interactive Digital Television Research.” In addition, he was the general chair of the 5th European Interactive conference (EuroITV2007) and has given tutorials about Interactive Digital Television in prestigious conferences such as ACM Multimedia and WWW Conferences. Read More Read Less