Personalized DVB-H Service Discovery Beyond 3G

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In converged mobile broadcast and cellular services, the ability to choose among hundreds of digital broadcast streams and browsing a multitude of IP based content, will necessitate integration of advanced user interfaces capable of personalized service discovery. Next generation mobile terminals should be capable of not only displaying available services in the ESG electronic service guide but dynamically filter the content according to user preferences. This article explores possibilities for personalizing service discovery by matching semantic descriptions of media according to user-centric preferences submitted through the 3G return channel. Architectural design components are identified to filter content based on XML transformation of TV-Anytime metadata and additional elements are proposed to extend the existing data models with rich semantics based on RDF syntax and OWL ontology description logics.

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