Juha-Pekka Koivisto

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Semantic Web services integrate the meaningful content of the semantic Web with the business logic of Web services and thus enable industries and individuals to build, access, deploy and execute services and transactions independently over Internet. This paper surveys semantic Web services from the viewpoints of Web service architectures, service(More)
As a service environment, digital television places very high requirements on the usability and information security solutions of services. Digital convergence is introducing more diverse services to the world of digital television. The return channel, which enables interactive television, is key to this development and may be considered the most vulnerable(More)
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