Titlebook: Dependable and Adaptable Networks and Services; 13th Open European S Aiko Pras,Marten Sinderen Conference proceedings 2007 Springer-Verlag

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Dependable and Adaptable Networks and Services978-3-540-73530-4Series ISSN 0302-9743 Series E-ISSN 1611-3349

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A Context Middleware Using an Ontology-Based Information Modelt in highly dynamic environments is a complex process as the appropriate context sources are not known in advance. Moreover, to realize Mark Weiser’s vision of ubiquitous computing, many services on the one hand and a good deal of context information on the other hand have to be combined. Hence, we

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Decentralized Supplementary Services for Voice-over-IP Telephonyes. Therefore, we introduce a framework to build . supplementary services for VoIP. Some of these services like completion of calls on no reply or holding are already commonly established in public switched telephone networks or realized in centralized VoIP servers like Asterisk [1]. In order to fos

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