This paper (and slides) is the highlight of the the recent ODRL conference, held in Lisbon. The author succinctly captures what makes digital commerce so hard: "Information is not a thing. Some patterns don't just move from place to place. They reproduce.CRLFThey spread. They evolve." Well, how do you assert rights over that? How do you even describe it? Other talks at the conference include an overview of ODRL 2.0 and a number of paper on applying ODRL, including one that suggests a mechanism for interoperability between ODRL and MPEG-21 REL (aka XrML).CRLF
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