2Nd International Workshop on Open Digital Rights Language, Odrl 2005, Date: 7 July 2005 through 8 July 2005, Location: Lisbon, Sponsors: LiveEvents Wireless;National ICT Australia (NICTA);O2 [Germany] GmbH;Assoc. Desenvolv. Telecomun. Tec. Inform. (ADETTI);Instituto Superior de Ciencias do Trabalho e da Empresa (ISCTE)