• SPARQL: QueryingRDF data
• RDF Schema: Documenting the meaning of RDF data
• OWL: Formalizing the meaning of RDF data
• RDF/XML: Writing RDF data in XML
• RDFa: Embed RDF data in HTML
• R2RML: Mapping relational data to RDF
• GRDDL: Mapping XML data to RDF
• DC, Org, FOAF, SIOC, DCAT, VoID, …:
Describe particular domains as RDF data
基础标准
33.
• RDF isnot a language but a model
• RDF is written in XML
• RDF is a W3C standard
• RDF is for describing resources on the web
• RDF is designed to be read by computers
• RDF is not designed for being displayed to people
• RDF uses URIs to identify web resources
• RDF uses property values to describe web resources
• RDF uses the terms resources, properties, and values
• RDF also uses the terms subject, predicates and objects
RDF:Resource Description Framework