Philipp Grubitzsch

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Service systems in upcoming application domains like the Internet of Things (IoT) have a high demand for dynamic changes of provided service quality and related pricing. Changes can be requested by service consumers to address adjusted requirements at application level or by service providers to accommodate resource constraints. Anyway, traditional(More)
While originating as an instant messaging infrastructure, the eXtensible Messaging and Presence Protocol (XMPP) has its applications as a lightweight middleware for real-time event distribution, e.g. for mobile computing or the Internet of Things. Services based on XMPP are traditionally realized as server components which does not allow for distributed(More)
Communication with smart objects currently only works in isolated, sometimes even proprietary islands. This lack of interoperability limits the value of smart objects connected to the Internet of Things (IoT). We propose to use the Extensible Messaging and Presence Protocol (XMPP) to connect IoT islands. XMPP is inherently federated, secure, globally(More)
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