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GEOSS ADC Architecture Workshop: Sensor Web

GEOSS ADC Architecture Workshop: Sensor Web. Ingo Simonis iGSI ingo.simonis@igsi.eu. The Sensor Web. What is the Sensor Web?. Slide by NASA. OGC: Sensor Web. Scientific View: Sensor Web. Applications. Communication. Sensor Web. Communication. Sensor Network. Communication.

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GEOSS ADC Architecture Workshop: Sensor Web

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  1. GEOSS ADC Architecture Workshop: Sensor Web Ingo Simonis iGSI ingo.simonis@igsi.eu

  2. The Sensor Web • What is the Sensor Web?

  3. Slide by NASA

  4. OGC: Sensor Web

  5. Scientific View: Sensor Web Applications Communication Sensor Web Communication Sensor Network Communication Sensor System Communication Sensor

  6. The Sensor Web: A Meta-System

  7. Effector Effector Actor Effector Effector Effector Human Software Sensor Web Services stimulate respond / activate Sensor Web Services Sensor Web Services Sensor Sensor Sensor affect observe Environment

  8. Effector Effector Actor Effector Effector Effector Human Software Sensor Web Services stimulate respond / activate Sensor Web Services Sensor Web Services Sensor Sensor Sensor affect observe Describe Sensors Environment

  9. Effector Effector Actor Effector Effector Effector Human Software Sensor Web Services stimulate respond / activate Sensor Web Services Sensor Web Services Sensor Sensor Sensor affect observe Discover Sensors Environment

  10. Effector Effector Actor Effector Effector Effector Human Software Sensor Web Services stimulate respond / activate Sensor Web Services Sensor Web Services Sensor Sensor Sensor affect observe Request Sensor Data Environment

  11. Effector Effector Actor Effector Effector Effector Human Software Sensor Web Services stimulate respond / activate Sensor Web Services Sensor Web Services Sensor Sensor Sensor affect observe Access Sensor Data Environment

  12. Effector Effector Actor Effector Effector Effector Human Software Sensor Web Services stimulate respond / activate Sensor Web Services Sensor Web Services Sensor Sensor Sensor affect observe Task Sensors Environment

  13. Effector Effector Actor Effector Effector Effector Human Software Sensor Web Services stimulate respond / activate Sensor Web Services Sensor Web Services Sensor Sensor Sensor affect observe Subscribe to Sensor Data Environment

  14. Effector Effector Actor Effector Effector Effector Human Software Sensor Web Services stimulate respond / activate Sensor Web Services Sensor Web Services Sensor Sensor Sensor affect observe Receive Sensor Alerts Environment

  15. Summary • Describe Sensors and Sensor Capabilities • Discover Sensors • Request Sensor Data • Access Sensor Data • Task Sensors • Subscribe to Sensor Data • Receive Alerts from Sensors

  16. What is Required? • Sensor-related vocabularies • Sensor types • Observed properties • Sensor-related ontologies? • Classes of Sensors • Sub-types, relationships, …

  17. What is Required? • Sensor-related standards • Content standards (model, encoding) • Services • Transports

  18. Example: Marine Metadata Interoperability

  19. Sensor Web Related Tasks • CL-06-02 (Key Climate Data from Satellite Systems) • CL-07-01 (Seamless Weather and Climate Prediction System) • DA-07-04 (Sensor Web Enablement for In-Situ Observing Network Facilitation) • DA-07-05 (Higher Level Data Product Tools) • DI-06-04 (Tsunami Early Warning System of Systems)

  20. Sensor Web Related Tasks • DI-06-13 (Implementation of a Wildland Fire Warning System at Global Level) • WE-06-02 (Space-based Global Observing System for Weather) • CEOS WGISS Committee on Earth Observation Satellites, Working Group on
Information Systems and Services)

  21. GEOSS Sensor Web Workshop • Organized by task DA-07-04 • May 15-16, 2008 • @GEO Secretariat, Geneva, Switzerland • No fees, but registration required • Invitation and agenda online: http://www.earthobservations.org/meetings

  22. Discussion I • the vast majority of sensor data is unstructured, poorly described, difficult to be accessed. BUT: no metadata/structure will be provided for this data • how to consume and use sensors that have no standardized way of access/transport/etc. (unstructured world)? • current GEOSS Architecture focuses on structured data, well defined service interfaces etc. and blocks out most sensor data

  23. Discussion II • sensor data is often produced on the fly, other GEOSS data is mostly archived • educate sensor developers/providers • encourage users to use standards for data data transport/encoding/description • make a start and show how it works: Provide some basic IOC, including things like unique identifier, URN-resolver, dictionaries, vocabularies etc. .Step away from simple end-to-end showcases. IOC has to support aspects like traceability

  24. Discussion III • talk to sensor manufactures (?) – better convince various communities that then talk to manufactures (chicken/egg problem) • coordinate with other tasks, in particular DA07-04 (Sensor Web for in-situ sensors)

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