A set of W3C specifications including RDF (Resource Description Framework) and OWL (Web Ontology Language) that enable machine-readable data interchange, knowledge representation, and automated reasoning across distributed web applications.
Semantic Classification
Content
Core Standards
- RDF - Resource Description Framework for data interchange
- RDF Schema (RDFS) for vocabulary definition
- OWL - Web Ontology Language for knowledge representation
- SPARQL - query language for semantic data
- RIF - Rule Interchange Format for web rules
OWL 2 Profiles
- OWL2 EL - polynomial time reasoning complexity
- OWL2 QL - database query optimization
- OWL2 RL - rule-based subset
- Tools: Apache Jena, OpenLink Virtuoso