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Interactive Digital TV systems allow a new range of services concerning broadcasted television content. Thus, interactive programs can be broadcasted allowing user interaction. The interaction implicates in a new way to produce and think about television content. This paper aims at presenting Interactive Service Provider architecture for Interactive Digital TV systems, based on service-oriented architecture, ensuring a standardized communication between client applications and its interactive services. The diversity of broadcasted applications and usage of an interactive channel as external communication in Brazilian context, leads to a case-study considering the social inclusion intention specified in Brazilian Presidential Decree..
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