Different
types of properties
Transitivity, Symmetry, Function, Inverse etc…
•Transitivity:
• Joe siblingOf Sally and Sally
siblingOf Bob then Joe siblingOf Bob
•Inverse:
Joe siblingOf Sally then Sally siblingOf Joe
Cardinality
restrictions
Specify how many elements are in relation with each other
at-most, at-least, exactly, optionality (0 or more)
•Bird
has (exactly) 2 Wing
Type
restrictions
Identifies subclasses that have some restriction on a property P
•Bottle
madeOf Material
•Glass
subclassOf Material
•GlassBottle
subclassOf Bottle madeOf Glass