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NILE-PDT: A Phenomenon Detection and Tracking Framework for Data Stream Management Systems

NILE-PDT: A Phenomenon Detection and Tracking Framework for Data Stream Management Systems. M.H. Ali 1 , W.G. Aref 1 , R. Bose 2 , A.K. Elmagarmid 1 , A. Helal 2 , I. Kamel 3 , M.F. Mokbel 1. 2. 3. 1. 30 o C. 31 o C. 90 o C. 29 o C. Report a fire alarm in this region. 27 o C. 25 o C.

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NILE-PDT: A Phenomenon Detection and Tracking Framework for Data Stream Management Systems

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  1. NILE-PDT: A Phenomenon Detection and Tracking Frameworkfor Data Stream Management Systems M.H. Ali1, W.G. Aref1, R. Bose2, A.K. Elmagarmid1, A. Helal2, I. Kamel3, M.F. Mokbel1 2 3 1

  2. 30oC 31oC 90oC 29oC Report a fire alarm in this region 27oC 25oC 30oC 31oC 90oC 90oC 91oC 29oC 90oC 29oC 27oC 25oC 26oC 27oC 90oC 90oC 90oC 90oC 89oC 28oC 29oC 90oC 26oC 29oC 27oC 90oC 91oC 28oC 90oC 29oC “Nile-PDT”: Phenomena Not Data! What is going on in a sensor field? What are the sensor readings? • Sensors do not live in isolation • Sensors indulge in a correlated behavior and generate a “phenomenon”

  3. 30oC 30oC 30oC 31oC 30oC 27oC 30oC 29oC What is a Phenomenon? • A phenomenon is a group of sensors that show “similar” behavior over a period of time • Notions of similarity (a)Generate the same value (i.e., discrete phenomena) (b)Generate similar values (e.g., distance (v1,v2)<=d) (c) Generate similar behavior (e.g., similar summaries) (d) Generate similar trends (correlated increase or decrease in values) (a) (b) (c) (d)

  4. Query Processing with Relevance Feedback Sensor Network Binary Join Relevance feedback contains information about the sensors that contribute to the currently tracked phenomena

  5. Outline of the Demo Nile-PDT Application Level Sensor Platform Server Level UFLSensor Platform Sensor-network Level

  6. Nile-PDT at the Application Level

  7. Nile-PDT at the System Level Relevance feedback

  8. Demo Hardware Setup Analog Devices Temperature Sensor 5 x 5 Sensor Grid with 1” Grid Spacing Photonic Devices Light Sensor

  9. Layered DesignFor flexible configuration ofprocessing, power, communication,and sensor/actuator needs. PowerWired power option for use with indoorapplications. Quick ConnectFor easy and reliable stacking. Sensors / ActuatorsInterface layer supports analog and digital sensors as well as actuators. IP NetworkingSwappable communication layersto support differentmediums. Full TCP/IP stack using µIP. More PowerDaisy-chain sensor platforms to createlarge networks without tying up all outlets. ProcessorATmega128 provides low-cost and low-power processing. Runs OS that monitors sensor connections and communicates with server. Internal storage for sensor/actuator OSGi bundles and data accumulation for on-node processing. Sensor Platform Hardware

  10. Sensor Platform Software • OSGi based Sensor Network Manager Middleware • Sensor Driver stored onboard Sensor Platform & installed dynamically on OSGi framework when platform powers up • Sensor Driver transforms the sensors connected to the platform into software services

  11. Sponsors National Science Foundation Department of Education National Institute on Disability & Rehabilitation Research

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