RDF Schemas
¡ The first three most important concepts in
RDF datatyping schema:
l Resource (rdfs:Resource)
¡ are objects that are uniquely identified by an
URI
l Note: URI not URL.  Question: What is a URI?
l Property (rdf:Property)
¡ express the relationships of values associated
with resources
l Class (rdfs:Class)
¡ are resources denoting a set of resources