Semantic Web terms starting with O

11 terms

  1. object An entity such as a file, folder, shared folder, printer, or Active Directory object, described by a distinct, named set of attributes.
  2. ObjectTypeProperty Relation between instances of two classes.
  3. Ontology An ontology defines the common words and concepts (meanings) used to describe and represent an area of knowledge, and so standardizes the meanings.
  4. Open World Assumption presumption stating that everything we don’t know is undefined.
  5. open world assumption (a.k.a. <em>open world reasoning</em>) The open world assumption means that we cannot assume something doesn't exist until it is explicitly stated that it does not exist.
  6. OWL see Web Ontology Language.
  7. OWL - Web Ontology Language undefined
  8. OWL DL OWL-DL is much more expressive than OWL-Lite and is based on Description Logics (hence the suffix DL).
  9. OWL Full OWL-Full is the most expressive OWL sub-language. It is intended to be used in situations where very high expressiveness is more important than being able…
  10. OWL Lite The syntactically simplest of the three sub-languages of OWL. It is intended to be used in situations where only a simple class hierarchy and simple…
  11. owl:Thing The class in an OWL ontology that represents the set containing all individuals. All classes in an OWL ontology are subclasses of owl:Thing.