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Event Detection and Notification in the World-Wide Sensor Web

Event Detection and Notification in the World-Wide Sensor Web. Magdalena Balazinska with Evan Welbourne , Garret Cole, Nodira Khoussainova , Julie Letchner , Christopher Ré , Yang Li, Gaetano Borriello , and Dan Suciu Computer Science & Engineering University of Washington

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Event Detection and Notification in the World-Wide Sensor Web

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  1. Event Detection and Notification in the World-Wide Sensor Web Magdalena Balazinska with Evan Welbourne, Garret Cole, NodiraKhoussainova, Julie Letchner, Christopher Ré, Yang Li, GaetanoBorriello, and Dan Suciu Computer Science & Engineering University of Washington http://rfid.cs.washington.edu/

  2. Reader Antenna A B C RFID Ecosystem Deployment Location tracking Tag:

  3. High-Level RFID Events

  4. Applications Our system: Cascadia Standalone or Transformer

  5. Event Specification: Scenic

  6. At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) At(…) Event Detection: PEEX • PeexL is translated into SQL • SQL queries execute repeatedly • Uses small, shifting time window COFFEE-BREAK(Bob,481,16,.87) And so on… COFFEE-BREAK(Bob,481,5,.64) <no events this window> COFFEE-BREAK(Bob,481,14,.86) Event Stream to Applications PEEX SQL Event Queries Results

  7. Event Visualization: SensorMap

  8. More Information • Cascadia: A System for Specifying, Detecting, and Managing RFID Events. E. Welbourne, N. Khoussainova, J. Letchner, Y. Li, M. Balazinska, G. Borriello, and D. Suciu. Mobisys 2008. • Specification, Detection, and Notification of RFID Events with Cascadia (demo). E. Welbourne, G. Cole, N. Khoussainova, J. Letchner, Y. Li, M. Balazinska, G. Borriello, and D. Suciu. Mobisys 2008. • Event Queries on Correlated Probabilistic Streams. C. Re, J. Letchner, M. Balazinska, and D. Suciu. SIGMOD 2008. • A Demonstration of Cascadia through a Digital Diary Application (demo). N. Khoussainova, E. Welbourne, M. Balazinska, G. Borriello, G. Cole, J. Letcnher, Y. Li, C. Re, D. Suciu, and Jordan Walke. SIGMOD 2008. • PEEX: Extracting Probabilistic Events from RFID Data. N. Khoussainova, M. Balazinska, and D. Suciu. ICDE 2008. http://rfid.cs.washington.edu/publications.html

  9. Event Detection and Notification in the World-Wide Sensor Web Magdalena Balazinska with Evan Welbourne, Garret Cole, Nodira Khoussainova, Julie Letchner, Christopher Ré, Yang Li, Gaetano Borriello, and Dan Suciu Computer Science & Engineering University of Washington http://rfid.cs.washington.edu/

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