Sensor Web Enablement and GEOSS Presented by: Terence van Zyl
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Sensor Web Enablementand GEOSS
Presented by: Terence van Zyl
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Content GEOSS System of Systems Approach Sensor Web an Open System OGC SWE as a Sensor Web Task DA-07-04
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GEOSSThe System of Systems Approach
Where a system is a collection of components
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System Overview Open Systems
Permeable Boundaries
React to Environment
Closed Systems Solid Boundaries
No External Interaction
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GEOSS Systems View Systems contributing to GEOSS may be
Open or Closed GEOSS itself must be an Open System
Interoperability
React to environment (Adaptability)
Increases survivability
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Open System Architecture Computer System
Interoperability within the system
Portability from one platform to another
Open standards
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Sensors Deployed for single purpose or function Heterogeneous platforms Disparate data sets Spatio-temporally discrete Proprietary Software
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Sensor Web Definition
“Group of potentially muti-modal data gathering devices coupled with computational intelligence and
communication such that the overall system capabilities transcend those
provided by a group of isolated sensors” (John M. Dolan 2007)
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Sensor Web Open System
Interoperable, portable and open standards
Computational Intelligence Collaborative Value beyond the individual component
Data Fusion
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Sensor Web Approaches Sensor Web Agent Platform (SWAP)
Multi Agent Approach
OGC Sensor Web Enablement (SWE) Service Oriented Approach
Hourglass Peer 2 Peer Approach
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OGC SWE SWE is not a Sensor Web
SWE enables the creation of a Sensor Web
Provides Open Standards Portability is available through SOA Interoperability
Across heterogeneous platforms
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OGC SWE Lacks computational intelligence
AI may be built into services
Collaboration is not inherent Provides the mechanism for collaboration
Once service combined we can start to provide value beyond the individual
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OGC SWE Framework Objectives
Discover sensors, observations & processes
Determination of capabilities and reliability
Retrieve real-time or time-series data
Task sensors and simulators
Subscribe to published alerts
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OGC SWE Framework Supporting Standards
Sensor Observation Service (SOS)
Sensor Alerting Service (SAS) use (WNS)
Sensor Planning Service (SPS)
Sensor Modeling Language (SensorML)
Observation & Management (O&M)
Transducer Modeling Language
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Sensor Observation Service Get Capabilities, Capabilities Doc Describe Sensor, SensorML Get Observation, O&M
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GEOSS and OGC SWE GEOSS requires open system, OGC SWE is
an open architecture OGC SWE not the only option OGC SWE is an easy step in the right
direction
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DA-07-04
Sensor Web Enablement for In-Situ Observing Network Facilitation
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Description
Development of scenarios or use cases that demonstrate the value of Sensor Webs to the
GEOSS SBAs. Specific domains that can benefit from Sensor Web are for instance Disasters, Health, Biodiversity, Ecosystem
and Water.
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ActivitiesA geospatial information infrastructure connecting heterogeneous in-situ sensors and remote sensors, shall be defined. This includes the definition and design of the Sensor Web Communication- and Information layers.
The Task should evaluate the applicable standards for the application of a Sensor Web based approach for the different GEO SBAs
To provide a mechanism to register and categorise Web services, a service registry shall be investigated.
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ActivitiesCase studies shall be designed as demonstration projects for at least 3 SBAs
Coordination shall be established with the Interoperability arrangements for GEOSS through coordination with Tasks AR-07-01 and AR-07-02
Relevant synergies with other GEOSS Tasks shall be addressed
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Thank-You