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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
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/

rfid ecosystem

Reader

Antenna

A

B

C

RFID Ecosystem

Deployment

Location tracking

Tag:

our system cascadia

Applications

Our system: Cascadia

Standalone or

Transformer

event detection peex

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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

more information
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

event detection and notification in the world wide sensor web10
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/