My research interests are:
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Linked Data streams
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Semantic sensor networks
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Sensor networks middleware
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Large-scale semantics-enabled distributed information systems and applications
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Peer-to-peer systems
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Internet of things
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Self-organization and self-management
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Service-oriented architectures
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Distributed systems security
Developing Semantic Reality ("connecting the physical and virtual worlds") is currently my core research interest which combines my work in sensor networks, semantics, and peer-to-peer. As part of this we develop approaches for processing Linked Streams (CQELS). Our Linked Stream Middleware site provides a nice demo for this.
You may also be interested to try out our Global Sensor Networks (GSN) middleware for zero-programming deployment of sensor networks.
Many of my research results in these areas are incorporated in our P-Grid peer-to-peer system.
Google Scholar gives an idea which of my papers are highly cited. Another list of publications is maintained by DBLP.