INFS3101/7100 Ontology and the Semantic Web

Exercises from Week 10

For discussion in tutorial week 11

Key concepts from lecture: OWL extends RDFS. Object and datatype properties. Universal class Thing. Restrictions are subsets of property domains. Names not satisfy unique names assumption. Class descriptions can be enumeration or boolean combination of classes. Ontology properties. OWL Full, OWL DL, OWL Lite.

1.           Consider the rental accommodation exchange from the week 2 tutorial and the representation in the solution to the week 4 tutorial and following, as represented in RDFS in the last tutorial.

a.           Elaborate a significant portion of the ontology in OWL using the OWL facilities from the lecture.

b.           Describe a concept you can’t represent in OWL (make a plausible extension if necessary).

c.           How would you use the facilities of OWL Full in this ontology (make a plausible extension if necessary)?