Difference between revisions of "Catalogue Discovery Object (Draft)"
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Latest revision as of 20:28, 4 April 2020
The catalogue discovery object allows clients to discover resources registered in a catalogue, by providing three operations named queryCatalogue, catalogueDescription, and catalogueDomain. This object is always implemented by catalogue service implementations.
Name:
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Catalogue Discovery |
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Description:
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Discover the metadata available for a data asset or a set of assets |
Correspondence:
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Engineering Viewpoint: discover asset configuration |
Operations:
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queryCatalogue This operation enables formulating a query against a catalogue and return the url to the query result or table formatted output (depending on the size of the result) describeCatalogue Allows clients to retrieve a description or reference to the structure (schema), queryables, element sets, and formats of the metadata used for one or more registered resource types. catalogueDomain Allows clients to retrieve domain values for the different metadata elements |
API Template:
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discovery_service_api.yaml |
Based on
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Discovery class of the OGC Catalogue Services 3.0 - General Model |
Example technologies
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pycsw: an OGC CSW server implementation written in Python CKAN: CKAN can harvest CSW data when importing records and includes a CSW server to present a CSW interface to its own data. |
Support in other models
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Australia's: National Environmental Information Infrastructure: Reference Architecture |