Standardized
Service Metadata
•Each OGC Web Service
(OWS) is self-describing
•GetCapabilities operation
- predefined URL syntax to request service description
•Response is
"Capabilities XML" document
(XML = Extensible Markup Language)
(XML = Extensible Markup Language)
•Standard format &
vocabulary
–automatically parsed by
Clients
–harvested by Catalogs
–legible to humans if necessary
semantic
interoperability
interoperability