W3C’s Ontology Language (OWL)
- Categorizes the concepts (resources) in terms of classes:
- classes can be viewed as “sets” of possible individuals
- e.g.,
svgEntityin our example
- e.g.,
- hierarchies of concepts can be defined as sub-classes
- classes can be viewed as “sets” of possible individuals
- Properties are defined by:
- constraints on their range and domain, or
- specialization (sub-properties)