SISS: Sensor-Internet Sharing and Search

Summary People Publications Software Related Links

Project Summary

The goal of this research is to allow individual or clusters of sensors to cooperate and share data over the Internet. We see a future where, at two extremes, large scientific sensornets are formed of multiple wireless patches bridged by the Internet, and where individual sensors are deployed by casual users or ``citizen scientists'', with their data posted to sensornet web logs or slogs. A new network architecture and new approaches are needed to blend sensornets and the Internet:

protocols that allow trivial integration of new sensornets into the Internet, exploiting the huge communications and computation power in the Internet, yet not compromise the efficiencies that enable today's wireless sensornets;
new approaches must be found to manage sensor data disclosure, evaluation, and analysis, to give users confidence in their confidentiality and the quality of data from casual sensor streams;
novel forms of sensor discovery and search are required that leverage distributed filtering by users, sifting through structured sensor data and metadata and making them easy to access.

We do not expect to build the one perfect sensor system, because there is no one such system. Instead, we are defining open protocols that enable interoperation of many sensor streams, each tailored to specific needs, and that facilitate safe sharing and discovery of these streams, with instances of the components to demonstrate these capabilities. We expect this work to lead to new network architectures that support traditional Internet services as well as lightweight and sometimes transient sensornet data sources.

Support

SISS is a joint project of USC/ISI, UCLA/Statistics, and UCLA/Computer Science supported by the NSF NeTS-FIND program, award number CNS-0626702.

Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation or other supporters.

People

Gong Chen (UCLA Stats)
Junghoo Cho (co-PI, UCLA CSD)
Mark Hansen (co-PI, UCLA Stats)
John Heidemann (co-PI, USC/ISI)
Sung Jin Kim (UCLA CS)
Unkyu Park (USC CS)
Sasank Reddy (UCLA EE)
Nathan Yau (UCLA Stats)

Publications and Presentations

Unkyu Park and John Heidemann."Low-latency Synchronization of Loosely-coupled Sensornet Republishing" USC/ISI Technical Report ISI-TR-660, April 2009.

Gong Chen, Junghoo Cho, Mark H. Hansen. On the brink: searching for drops in sensor data. In Proceedings of the International Conference on Extending Database Technology (EDBT), March 2008

Sung Jin Kim and Junghoo Cho, SQL Extension for Exploring Multiple Tables. Submitted for review to ACM 17th Conference on Information and Knowledge Management, June 2008. (pdf copy).
Unkyu Park and John Heidemann, Provenance in Sensornet Republishing. Second International Provenance and Annotation Workshop, Salt Lake City, Utah, USA, June, 2008. (pdf copy).
Junghoo Cho, Mark Hansen, John Heidemann, Sung jin Kim, Gong Chen, Brian Fulkerson, Unkyu Park, Sasank Reddy, and Nathan Yau. SISS: Sensor Internet Sharing and Search. Posters at NSF FIND PI meeting. November, 2007. (pdf copy).
John Heidemann. Data-Centric Networking as an ``Information Layer''. Lightning Talk at NSF FIND PI meeting. November, 2007. (pdf copy)
Sasank Reddy, Gong Chen, Brian Fulkerson, Sung Jin Kim, Unkyu Park, Nathan Yau, Junghoo Cho, and John Heidemann Mark Hansen. Sensor-Internet Share and Search--Enabling Collaboration of Citizen Scientists. In Proceedings of the ACM Workshop on Data Sharing and Interoperability on the World-wide Sensor Web, Cambridge, Mass., USA, ACM. April, 2007. <http://www.isi.edu/~johnh/PAPERS/Reddy07a.html>.

G. Chen, N. Yau, M. Hansen, D. Estrin, 2007. Sharing Sensor Network Data, CENS Technical Report. Number 71. March 2007. < http://repositories.cdlib.org/cens/techrep/2/>.
G. Chen, J. Cho, M. Hansen, 2007. On the brink: Searching for drops in sensor data, To Appear in Proceedings of the 11th International Conference on Extending Database Technology, March 2008. < Local copy>.
John Heidemann. Sensornets and the Next Big Thing. Keynote talk at the European Conference on Wireless Sensor Networks. January, 2007. <http://www.isi.edu/~johnh/PAPERS/Heidemann07b.html>.

K. Chang, N. Yau, M. Hansen, D. Estrin, 2006. SensorBase.org - A Centralized Repository to Slog Sensor Network Data, DCOSS / Euro- American Workshop on Middleware for Sensor Networks Proceedings.

Software

Sensorbase.org provides a prototype portal to sensor data.
Tempread : West-LA Temperature Collection.