related: linked data

• GRDDL
• RDF Resource Description Framework (RDF)
  • is a method for expressing knowledge in a decentralized world, and it is the foundation of the Semantic Web.
    是一種在去中心化世界中表達知識的方法，也是語義網的基礎。
• RDFa
• RDFS
• OWL 2
• POWDER
• RIF
• SAWSDL
• SKOS
• SPARQL

走入歷史標準

• Topic Map, XTM
• DAML: DARPA Agent Markup Language
• OIL: Ontology Inference Layer
• OWL

Semantic Web Standard Layer cake (in Ian Davis's words)