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Miles Jordan; Andy Townsend; Dave Watts; Kim Finney

Australian NADC 1st August 2010 Kim Finney (Manager, Australian Antarctic Data Centre & Chief Officer, SCAR Standing Committee on Antarctic Data Management). Data Navigator Go to http://data.aad.gov.au/aadc/navigator/. Miles Jordan; Andy Townsend; Dave Watts; Kim Finney

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Miles Jordan; Andy Townsend; Dave Watts; Kim Finney

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  1. Australian NADC1st August 2010Kim Finney (Manager, Australian Antarctic Data Centre & Chief Officer, SCAR Standing Committee on Antarctic Data Management)

  2. Data NavigatorGo to http://data.aad.gov.au/aadc/navigator/ • Miles Jordan; Andy Townsend; Dave Watts; Kim Finney • Ben Raymond; Henk Brolsma; David Smith; Ursula Harris; Dave Connell; Angela Bender; Matt McKellar-Spence, Mark Morffew

  3. What Is Data Navigator ? • A generic tool to “discover”, “review/download” and “map” data. • Will replace many existing applications: • Easier for users, • Puts data into a spatial framework, • View datasets in context of other datasets, • Less maintenance for AADC staff, • Uses OGC and other standards that provide interoperability with other systems.

  4. Types of Content migrate more data UNSTRUCTURED DATA STRUCTURED DATA download data filter map data WMS KML CSV

  5. Architecture Registered as layers in PostGIS Request data GeoServer Export to Registered in webserver Uploaded to Excel, CSV, GIS Oracle response Config Table Registered in request Registered in CAASM Metadata Data Navigator Application (ColdFusion 8, Open Layers, Javascript, HTML) Excel, CSV, Other Look-up Links back to Registered in Links back to

  6. Version 1.2 • Taste of things to come: • Much more content made available, • Import external datasets (in web map service and CSV format) and display on map with AADC-sourced data.

  7. New REST_Based Semantic Feature Catalogue Service

  8. Motivation: Move from Application To Service Based System • Capture information on Community Profiles (i.e. agreed suites of feature-types, their attributes - their units of measure and datums, feature-type relationships and classification schemes used, all linked to a specific user community or use by a computer-based tool); • Assign one or more spatio-temporal geometries to a feature-type, • List Classification Schemes and Themes that feature-types might be associated with, and • Exercise the feature association component of the ISO model to record information about relationships between features (both internal and external to the catalogue). • Chose to create RESTful (Representational State Transfer) Services

  9. Profile Feature-Type Geometry Symbology Attribute UoM & Datum Relationship Classification Scheme Assignment Classification Scheme Theme 3 types of service to meet different use-cases • A typical REST StreamlinedCatalogueService query looks like: • /StreamlinedCatalogueService/Profiles/1/FeatureTypes/10/Format/XML • A client is able to: • Get all features for profile n • Get all features for all profiles • Get feature n in profile n • Get a description of classification scheme n • Get all classification schemes

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