Web Ontology Language (OWL)
- W3C standard (Guide,
Overview)
- Defining concepts & relationships within area of knowledge
- Like a DBMS data dictionary, but ..
- Defines more complex relationship
- Global, standard syntax based on RDF
- Using URIs as keys
- On the Web
- Includes standard vocabulary for describing properties
and classes.:
- Datatypes (e.g., integer, date, string ..)
- Relations (e.g. subclass of, property of ..)
- Cardinality (e.g. exactly one ..)
- Characteristics of properties (e.g. symmetry)
- ... and more
