Event Detection and Notification in the World-Wide Sensor Web Magdalena Balazinska with Evan Welbourne, Garret Cole, Nodira Khoussainova, Julie Letchner,

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Presentation transcript:

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

RFID Ecosystem Location tracking tagtimelocation ……… Bob10:02B AB C Deployment Bob10:03C Bob10:01A Reader Antenna Tag:

High-Level RFID Events

Our system: Cascadia Applications Standalone or Transformer

Event Specification: Scenic

Event Detection: PEEX PeexL is translated into SQL SQL queries execute repeatedly Uses small, shifting time window PEEX At(…) SQL Event QueriesResults eventpersonroomtimeprob CoffeeBob Break CoffeeBob Break CoffeeBob Break COFFEE-BREAK(Bob,481,5,.64) Event Stream to Applications COFFEE-BREAK(Bob,481,14,.86) COFFEE-BREAK(Bob,481,16,.87) …………… And so on…

Event Visualization: SensorMap

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 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 Event Queries on Correlated Probabilistic Streams. C. Re, J. Letchner, M. Balazinska, and D. Suciu. SIGMOD 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 PEEX: Extracting Probabilistic Events from RFID Data. N. Khoussainova, M. Balazinska, and D. Suciu. ICDE

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