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OWL
“Description Logic”


  • The term refers to an area in knowledge representation
    • a special type of “structured” First Order Logic
    • there are several variants of Description Logic
    • i.e., OWL DL is an embodiment of a Description Logic
  • Traditional DL terms sometimes used (by experts…):
    • “named objects, concepts”: definition of classes, individuals, …
    • “axioms”: e.g., subclass or subproperty relationships, …
    • “facts”: statements about individuals (owl:Thing-s)
  • none of these are “standardized” in W3C…
  • but you may see them in papers, references

Ivan Herman, W3C 102 (134)