Knowledge modeling on the Web
The web needs semantic access
The ‘Knowledgeable Web’ is called ‘Semantic Web’ by W3C
RDF/RDF Schema are not enough
Layered structure of S.W. excerpted from the “semantic web tutorial” by Prof. Dieter A. Fensel
Goals of Web Ontology Language
OIL: an extension of RDFS
The three roots of OIL
Three roots of OIL
Description of OIL
Ontology definition in OIL
An example ontology in OIL
Class-def associates a class name with a class description
Structure of class-expression
Structure of slot-constraint
slot-def associates a slot name with a slot definition
The example ontology in OIL
Defining OIL in RDFS
An ontology container using Dublin Core Metadata sets
Serializing some OIL primitives in RDFS
A serialized OIL ontology in RDFS
Discussion
References
Email: yuana@cs.toronto.edu
Home Page: http://www.cs.toronto.edu/~yuana