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A System for Semantic Data Fusion in Sensor Networks

A System for Semantic Data Fusion in Sensor Networks. Alex Wun, Milenko Petrovic and Hans-Arno Jacobsen Department of Electrical and Computer Engineering Department of Computer Science University of Toronto. Sensor Network Management. Manufacturer. Supplier/ Distributor.

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A System for Semantic Data Fusion in Sensor Networks

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  1. A System for Semantic Data Fusion in Sensor Networks Alex Wun, Milenko Petrovic and Hans-Arno Jacobsen Department of Electrical and Computer Engineering Department of Computer Science University of Toronto

  2. Sensor Network Management Manufacturer Supplier/ Distributor Business Activity Monitoring RFID Tracking SLA Monitoring Retailer Logistics Need data fusion of sensor events in distributed applications

  3. Research ChallengesAddressed • Detect emergent application level events using data from distributed sensor networks • Translate sensor events according to application semantics • Decouple sensor event translation mechanisms from application event detection logic

  4. System Architecture Independent Sensor Networks Distributed CPS Broker Federation

  5. Demonstration Setup Application client Application client Sensor gateway Sensor gateway P/S client P/S client P/S broker FactoryLogistics Ontology Environmental Monitoring Ontology Sensor motes

  6. Factory Logistics Ontology FactoryEvent EquipmentReport EnergyReport InventoryReport EquipmentStatus EquipmentFailure InventoryArrival InventoryShipped InventoryNew QAReport Multi-sourceLight Reading Light Reading Temp Reading factoryStatus equipFailure energyStatus Equipment: on, off, active, done Inventory: arrival, received, shipping, shipped Equipment: normal, warning critical QA Test: pass, fail Energy Consumption Estimate:watt-hours

  7. Environmental Monitoring Ontology EnvironmentEvent GeologicEvent OceanicEvent VolcanoStatus EarthquakeStatus CarbonReport SulfurReport Light and Temp Readings Light and Temp Readings Light Reading volcanoMonitor earthquake ocean Volcano:inactive, dormant, active Earthquake:stable, caution, warning Ocean: high-carbon, high-sulfur,volcanic activity

  8. References • Alex Wun, Milenko Petrovic and Hans-Arno Jacobsen, A System for Semantic Data Fusion in Sensor Networks, DEBS 2007 • http://microtopss.msrg.utoronto.ca • http://padres.msrg.utoronto.ca

  9. Extra Slides

  10. System Features and Concepts • Sensor events translated using application ontologies • Event detection can mix high-level semantic events with fine-grained sensor data

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