- CWA - Closed-World assumption
- DL - Description Logic
- FOL - First Order Logic or first order predicate calculus
- IRI - Internationalized Resource Identifier
- JSON - JavaScript Object Notation
- MDA - Model-driven Architecture
- MDE - Model-driven engineering
- OWA - Open-world assumption
- RDF - Resource Description Framework
- RDFS RDF Schema
- RDF/XML - An XML syntax for RDF in terms of namespaces in XML, the XML Information Set and XML Base.
- SAIQL Schema And Instance Query Language
- SWRL - Semantic Web Rule Language
- SPARQL - SPARQL Protocol and RDF Query Language, SPARQL 1.1 Query Language
- Turtle - Terse RDF Triple Language
- URI - Unified Resource Identifier
- XML - Extensible Markup Language