Abstract
This paper designs the service data resource metadata standard system and catalog vocabulary by investigating the status of service data resource descriptions of mainstream data trading platforms at home and abroad, and referring to W3C's official recommendation standard DCAT and Dublin core metadata. The service data resource metadata interaction model is designed by referring to the RDF/XML framework. The service data resource metadata standard applying RDF/XML grammar specification will effectively support the registration and authentication of data products, transaction process management, data demanders' understanding and use of purchased data, and market supervision.
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