Ricardo Eito-Brun is an Associate Professor at Universidad Carlos III de Madrid, Spain, where he teaches different subjects related to digital publishing, knowledge organization and information management. Ricardo holds a master degree in Software Engineering from Universidad Carlos III de Madrid and in Documentation and Information Science from University of Granada (Spain) and a doctoral degree from University of Zaragoza (Spain) on the application of distributed collaboration environments and Semantic Web techniques for the description and classification of archival materials. He has been responsible for several large scale content management and web-based publishing projects for companies and public institutions. He is the author of four books on mark-up languages and XML and numerous articles and conference papers in the field of information management.