A distributable event-oriented architecture for activity recognition in smart homes

In this paper, a new architecture is proposed for continuously generating, propagating, and delivering information by using event-based communication between independent agents. The resulting system can both handle heterogeneous smart environments and compute information in multiple places. With a communication method working as an abstraction layer, the proposed solution enables the use of multiple technologies at once. Additionally, different options for delivering the resulting data to client applications are explored. The implementation of this design as a platform written in Java with the Spring Framework is also presented, along with its handling of ten housing facilities equipped with various sensors (electromagnetic contacts, smart plugs, motion detectors, humidity, temperature, and light sensors). This paper is then concluded by an analysis of the platform workloads incurred by the tracking of a set of low-level activities. Finally, the code is distributed online for the benefit of the community.

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