GEOSS “Interoperability”

1. GEOSS “Interoperability” Steven F. Browdy (ISWG, SIF, SCC) ISWG / SIF / GEOSS

2. GEOSS Background • Administered by GEO (Group on Earth Observations) • www.earthobservations.org • membership open to UN + EC (currently 72 countries plus EC) • participating organizations approved by GEO members (currently 52) • intergovernmental, international, regional • engaged in Earth observations and related matters • Guided by 10-Year Implementation Plan (2005-2015) • The Vision: “… to realize a future wherein decisions and actions for the benefit of humankind are informed by coordinated, comprehensive and sustained Earth observations and information.” ISWG / SIF / GEOSS

3. GEOSS Purpose and Scope • Meet the need for timely and quality global information for addressing societal benefit areas. • To utilize contributing systems that span the spectrum from primary data observation to data products. • To share data, metadata, and products. • Increase sharing of methods for modeling and analysis. • To encourage the adoption of existing and new standards that support interoperability and data usability. ISWG / SIF / GEOSS

4. GEOSS Committees • Established by GEO to guide the 10-Year Implementation Plan. • Architecture and Data Committee • User Interface Committee • Capacity Building Committee • Science and Technology Committee ISWG / SIF / GEOSS

5. GEOSS Core Architecture • Reached Initial Operating Capability in 2007 • Core components include • GEO Web Portal (3 candidates as of IOC) • GEOSS Clearinghouse • GEOSS Components Registry (56 as of IOC) • GEOSS Services Registry (68 as of IOC) • GEOSS Standards Registry (about 90 as of IOC) ISWG / SIF / GEOSS

6. GEOSS Architecture(Engineering Viewpoint) ISWG / SIF / GEOSS

7. GEOSS Architecture(Core Component Interaction) Other User Groups MMI ISWG / SIF / GEOSS

8. GEOSS Architecture(Core Component Interaction) ISWG / SIF / GEOSS

9. GEOSS Architecture(GEOSS Clearinghouse) ISWG / SIF / GEOSS

10. GEOSS Architecture(GEOSS Registries) ISWG / SIF / GEOSS

11. Critical GEOSS Use Case ??? ISWG / SIF / GEOSS

12. Standards Taxonomy Effort • Required for quick search and discovery of standards and special arrangements. • Helps facilitate seamless registration of standards when entering services. • Is the first step towards ontology development. ISWG / SIF / GEOSS

13. Existing Standards Taxonomy • Linear, few categories, entries skewed. • Too broad to associate well with standards. • Let’s take a look! ISWG / SIF / GEOSS

14. Metadata (33) Data Format (15) Catalog/Registry Service (24) Data Access (14) Streaming Protocols (6) Semantics Portrayal and Display Service (4) Data Acquisition (3) Engineering Process (1) Data Transformation Services (2) QA/QC (3) Schema (1) Modeling, Simulation, or Analytic Processing Service Archival (0) Communications and Telecommunications (0) Development Environments and Software Languages (0) Technical Documentation (0) Existing Standards Taxonomy ISWG / SIF / GEOSS

15. Existing Standards Taxonomy Category Description Examples ISWG / SIF / GEOSS

16. Standards Taxonomy Goals • Generate a finer-grained controlled vocabulary with user community input. • Associate primary taxonomy category with standards, as well as secondary categories. • Use MMI resources and other possible collaborations. • Associate the finished product with the GEOSS Standards Registry to enable efficient search for standards to associate with registered services. • and … • Apply ebRIM, or acceptable profile, association taxonomy to relate Standards Register entries. ISWG / SIF / GEOSS

17. Provisional Standards Taxonomy ISWG / SIF / GEOSS

18. Provisional Standards Taxonomy ISWG / SIF / GEOSS

19. Provisional Standards Taxonomy ISWG / SIF / GEOSS

20. Taxonomy Category Properties <owl:DatatypeProperty rdf:about="http://mmisw.org/ont/_tmp_/theme/name"> <rdfs:domain rdf:resource="http://mmisw.org/ont/_tmp_/theme/Theme"/> <rdfs:label>name</rdfs:label> </owl:DatatypeProperty> <owl:DatatypeProperty rdf:about="http://mmisw.org/ont/_tmp_/theme/definition"> <rdfs:domain rdf:resource="http://mmisw.org/ont/_tmp_/theme/Theme"/> <rdfs:label>definition</rdfs:label> </owl:DatatypeProperty> <owl:DatatypeProperty rdf:about="http://mmisw.org/ont/_tmp_/theme/properties"> <rdfs:domain rdf:resource="http://mmisw.org/ont/_tmp_/theme/Theme"/> <rdfs:label>properties</rdfs:label> </owl:DatatypeProperty> <owl:DatatypeProperty rdf:about="http://mmisw.org/ont/_tmp_/theme/associations"> <rdfs:domain rdf:resource="http://mmisw.org/ont/_tmp_/theme/Theme"/> <rdfs:label>associations</rdfs:label> </owl:DatatypeProperty> <owl:DatatypeProperty rdf:about="http://mmisw.org/ont/_tmp_/theme/comment"> <rdfs:domain rdf:resource="http://mmisw.org/ont/_tmp_/theme/Theme"/> <rdfs:label>comment</rdfs:label> </owl:DatatypeProperty> <owl:DatatypeProperty rdf:about="http://mmisw.org/ont/_tmp_/theme/parent"> <rdfs:domain rdf:resource="http://mmisw.org/ont/_tmp_/theme/Theme"/> <rdfs:label>parent</rdfs:label> </owl:DatatypeProperty> ISWG / SIF / GEOSS

21. Taxonomy Examples Name: Quality Definition: Standards specific to the procedures and algorithms needed to decrease uncertainty and improve validity of acquired data, and associated processes and systems. Parent: Production Cycle Rules and Standards Name: Quality Assurance Definition: Standards specific to the design of procedures and algorithms necessary to provide confidence that requirements are met prior to data acquisition. Comment: The phrase 'data acquisition’, and variants, will include data received from physical sensors, models, humans, data feeds, etc. May need an associated category for confidence metrics. Parent: Quality ISWG / SIF / GEOSS

22. Taxonomy Examples Name: In-Situ Parent: Infrastructures Name: In-Situ Parent: Earth Observation Techniques Good naming convention needed ??? ISWG / SIF / GEOSS

23. Lessons Learned • Involve a separate review group. • Limit debate time. • Keep track of potential properties and associations for ontological efforts. • Adopt common phrases for organization and continuity. • Adopt a “glossary” of secondary definitions to support the main vocabulary. ISWG / SIF / GEOSS

24. Another Standard ? • The ISWG is about to issue a CFP to engage in an effort to look into developing a standard, or guide, or best practice, for creating earth observation taxonomies and ontologies, and creating standards taxonomies and ontologies. • This will be a collaborative effort with existing resources, assets, and experts. ISWG / SIF / GEOSS

25. Best Practices Registry • It is currently a wiki. • It is found at: • http://wiki.ieee-earth.org/Best_Practices • There is an ontology area that has just been formed. ISWG / SIF / GEOSS

26. Best Practices Registry ISWG / SIF / GEOSS

27. Possible Areas of Synergy(MMI and GEOSS) • Taxonomy/Ontology collaboration. • with ISWG and SIF • with new GEO ontology task (can give broader recognition to MMI) • Registration of taxonomies and ontologies at MMI. • Registration of metadata tools as components and services in the GEOSS registries. • Contribution to the GEOSS Best Practices Registry (MMI Guides, Case Studies, etc.). • Discussions regarding applications and resources needed based upon GEOSS use cases. ISWG / SIF / GEOSS

28. GEOSS AIP • Architecture Implementation Pilot • a call for participation to engage the scientific community in deploying requested components, services, portals, etc. that serve as case studies for the GEOSS initiative. • a mechanism to test the operating capability of the core GEOSS architecture. • Details about the AIP Phase 2 can be found at: • http://www.ogcnetwork.net/AIpilot • CFP can be found at: • http://www.ogcnetwork.net/AIPphase2CFP • Submissions requested by Sep. 1, 2008, but will be accepted all through AIP Phase 2. ISWG / SIF / GEOSS

29. The End ISWG / SIF / GEOSS