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GeoSciML Catalogue and Vocabulary Registries

GeoSciML Catalogue and Vocabulary Registries. Jean-Jacques Serrano , Agnès Tellez-Arenas, Steve M. Richard. Overview. A short presentation of GeoSciML Why a GeoSciML Catalogue? The architecture setup for Testbed 3 using standards Sharing vocabularies. What is GeoSciML?.

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GeoSciML Catalogue and Vocabulary Registries

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  1. GeoSciML Catalogue and Vocabulary Registries Jean-Jacques Serrano, Agnès Tellez-Arenas, Steve M. Richard

  2. Overview • A short presentation of GeoSciML • Why a GeoSciML Catalogue? • The architecture setup for Testbed 3 using standards • Sharing vocabularies

  3. What is GeoSciML? • A Geological Data Model • represents the complexity of geology • tells users what geological information goes where • developed by the scientific community, internationally agreed • builds on established standards such as GML • uses the ISO ‘feature’ model • link to other modelling languages: Observations & Measurements, Boreholes (XMML) • GeoScience Markup Language • the markup language delivers the model to web services and is machine readable

  4. Interoperability Working Group Committee for the Management and Application of Geoscience Information

  5. WMS WFS WMS WFS WMS WFS WMS WFS WMS WFS WMS WFS GeoSciML Testbed Use of standard web services to exchange geological data SGU GSC SGU schema GSC schema GeoSciML GeoSciML GA GA schema USGS USGS schema BGS BRGM BGS schema BRGM schema

  6. Metadata described by stored into Applications queries Catalogue results uses Information model get data and use services Why a Catalogue? Resources (Data - Services) • Data: • Geological maps • Features (Geol. Units, Boreholes, …) • … • Services: • for viewing maps • for downloading data • …

  7. GetMap GetFeature Maps Features GetMap GetFeature Maps Features Applications Use of standards to insure interoperability Bind stored into described by Metadata ISO 19119 Capabilities Services (WMS-WFS) queries Catalogue Catalogue Service Catalogue Service results Data Metadata ISO 19115 uses Find Publish Information model

  8. GeoSciML Client for Testbed3

  9. OGC-CSW 2.0 Interface • Metadata of: • services, • datasets, • styles, • contexts + SLD & WMC files The GeoSciML Catalogue User interface (search) Admin interface BRGM GeoSciML Client Adapted for GeoSciML requirements No GeoSciML Vocabularies into GeoNetwork Catalogue … !

  10. Layers provided by this WMS: Links with datasets metadata Catalogue: link between services and datasets Service Metadata

  11. GeoSciML Vocabularies GeoSciML defines a UML model for vocabularies (a collection of Controlled Concepts)

  12. GeoSciML Vocabularies The GeoSciML encoding for vocabularies (subset)

  13. How to use Vocabularies? BRGM Geol DB Vocabularies WFS Gsml Resources Service URN for Trias ? => urn:cgi:classifier:ICS:StratChart:2008:Triassic GeoSciML document < …..> </…> < …..> urn:cgi:classifier:ICS:StratChart:2008:Triassic</…> < …..> </…>

  14. Vocabularies Crétacé … Paléogène Crétacé Jurassique Trias … Gsml Resources Service (URN for Crétacé ? => urn:cgi:classifier:BRGM:Stratigraphy:2008:Cretaceous) Create the query to request the WFS (getFeature) < …..> </…> < …..> urn:cgi:classifier:BRGM:Stratigraphy:2008:Cretaceous</…> < …..> </…> WFS How to use Vocabularies? GeoSciML French client Sélectionner un âge: Gsml Resources Service (GetConcepts in French of « Age vocabulary ») OK

  15. Conclusion To use resources (data and services): • They must be discovered (“Find”), • But first they must be published (“Publish”), described by metadata stored into catalogues, • When discovered, information is needed to use them (“Bind”) To insure interoperability, standards must be used: • for services to search, to view, to access data • for encoding data and metadata Sharing common vocabularies is a main part of interoperability GeoSciML data model, and the Testbed3 demonstrates how Geological Surveys share data, services, and knowledge on interoperability

  16. Thank you for your attention More information available: • During the GeoSciML Workshop (WSS-03) Sunday 10th August, Room Vestfold • GeoSciML Interoperability Working Group: www.seegrid.csiro.au&path=/twiki/bin/view/CGIModel/InteroperabilityWG

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