The active badge location system
ACM Transactions on Information Systems (TOIS)
Error characteristics of ad hoc positioning systems (aps)
Proceedings of the 5th ACM international symposium on Mobile ad hoc networking and computing
Impact of radio irregularity on wireless sensor networks
Proceedings of the 2nd international conference on Mobile systems, applications, and services
MoireGraphs: radial focus+context visualization and interaction for graphs with visual nodes
INFOVIS'03 Proceedings of the Ninth annual IEEE conference on Information visualization
IEEE Communications Magazine
Adaptive energy-efficient registration and online scheduling for asymmetric wireless sensor networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Computer Networks: The International Journal of Computer and Telecommunications Networking
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While sensor networks continue to attract significant interest in various research communities, high impact applications still have a long list of challenges to be addressed. An individual sensor system can provide important observations within a local area. However, local observations alone are not sufficient for some applications that require planetary scale coverage. Monitoring volcanic activity, nuclear disasters, magnetic field changes, migration patterns of species, pandemic disease spread patterns are some examples to such applications. These applications require a close interaction between different sensor networks with in-situ and remotely sensed observations. In this paper we describe our PLASMA (PLAnetary Scale Monitoring Architecture) project to motivate the challenges that need to be addressed at such scale. These include approximations in spatiotemporal attributes due to resource constraints and also multi-attribute visualization to enable a real-time user interface to the system.