PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Rights accessOpen Access
Contract Expression Languages allow representing business contracts in a digital and structured form. Some examples are the Content Reference Forum format, the OASIS eContracts standard or a proposed extension for MPEG-21 Part 5. These formats have influenced the design of the MPEG-21 Contract Expression Language (CEL), which has been recently specified by modelling the most relevant clauses in audiovisual contracts. The MPEG-21 CEL, described in this paper, defines a language for representing media contracts as XML. It is structured in two schemas, a core defining the structural elements of a contract, and an extension with vocabulary for specific applications.
CitationRodriguez, E. [et al.]. Media contracts formalization using a standardized contract expression language. "IEEE multimedia", 11 Abril 2014, vol. PP, núm. 99, p. 1-16.
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