Use of Rights Expression Languages for Protecting Multimedia Information
WEDELMUSIC '04 Proceedings of the Web Delivering of Music, Fourth International Conference
Interoperability between Different Rights Expression Languages and Protection Mechanisms
AXMEDIS '05 Proceedings of the First International Conference on Automated Production of Cross Media Content for Multi-Channel Distribution
Semantic enhancement for legal information retrieval: Iuriservice performance
Proceedings of the 11th international conference on Artificial intelligence and law
Semantic Expression and Execution of B2B Contracts on Multimedia Content
SAMT '09 Proceedings of the 4th International Conference on Semantic and Digital Media Technologies: Semantic Multimedia
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Distribution of multimedia copyrighted material is a hot topic for the music and entertainment industry. Piracy, peer to peer networks and portable devices make multimedia content easily transferable without respecting the associated rights and protection mechanisms. Standard and industry-led initiatives try to prevent this unauthorised usage by means of electronic protection and governance mechanisms. On the other hand, different organisations have been handling related legal issues by means of paper contracts. Now, the question is: How can we relate electronic protection measures with the paper contracts behind them? This paper presents an analysis of current contract clauses and an approach to generate, from them, standardised rights expressions, or licenses, in an as automatic as possible way. A mapping between those contract clauses and MPEG-21 REL (Rights Expression Language), the most promising rights expressions standard, is also proposed, including an initial relational model database structure. An ontology-based approach for the problem is also pointed out. If contract clauses could be expressed as part of an ontology, this would facilitate the automatic licenses generation. Generic contracts ontologies and specific intellectual property rights ontologies would be the starting point, together with the presented analysis.