Advanced Publish and Subscribe for Distributed Sensor-Based Infrastructures: The CoLocScribe Cooperative Media Space

Sensor-based infrastructures are important base technology for cooperative media spaces that support the natural interaction of users with their physical environment and with other users beyond the traditional keyboard and mouse. Sensor-based infrastructures basically capture data from sensors, store and process these data, and provide the data to clients. Several infrastructures have been developed; they all have their specific strengths in supporting either publish or subscribe, push or pull. In this paper we present a generic and advanced concept and implementation of a publish and subscribe mechanism for distributed sensor-based infrastructures that is sophisticated yet easy to configure and that is resource-saving through load balancing and provides push and pull. We exemplify this publish and subscribe mechanism in the CoLocScribe use case where we designed and developed advanced publish and subscribe for a cooperative media space.

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