PP Presentation

Gio Wiederhold

Stanford University

PP Presentation

What are Ontologies?

Functions of Ontologies .

Ancestors of Ontologies .

Establishing Ontologies .

Ontologies in Use

Domains and specificity .

Heterogeneity among Domains

SKC Objective

An Ontology Algebra

Sample Operation: INTERSECTION


Sample Intersections .

Other Basic Operations

Features of an algebra

Knowledge Composition

Exploiting the result .


Domain Specialization .

Status 26 March 1997 .

PP Presentation

Support for KB-Algebra

Summary .

Backup Viewgraphs

Domain-specific Knowledge .

Domain-specific Expertise .

Example in Health Care .

Components of Ontologies .

Existing Ontologies

Ontology Sharing