Knows that the word "ontology" is ambiguous, referring to any RDF vocabulary, but more typically a set of OWL classes and properties designed to support inferencing in a specific domain.
Periodic Table in OWL
PeriodicTable.owl is a representation of the Periodic Table of the Elements in the OWL Web Ontology Language. It provides reference data to support Semantic Web [...]
Analyzing Schema.org
Schema.org is a way to add machine-understandable information to web pages that is processed by the major search engines to improve search performance. The definition [...]
Semantic Web Tutorial 11/14: RDF Schema and OWL 3/4
Follows where previous video left off with its description of classes, properties, domain and range. Discusses how RDF Schema approaches membership of a class differently [...]
Learning from the Masters: Understanding Ontologies found on the Web (Part 2)
The purpose of this presentation was to help conference attendees gain sufficient experience of working with OWL and tools (e.g., the Swoop ontology editor/browser) to [...]
An Introduction to OWL
This video lecture starts with an overview of the requirements for defining and using ontologies on the Web. It then outlines the main concepts and [...]
RDF Schema
Discussion of RDFS, focusing on how classes and properties allow one to make inferences about resources. Covers axiomatic triples and inferencing from subproperties. Also discusses [...]
Building and Using Ontologies
The speaker discusses the meaning of the word "ontology" in the context of computer science before focusing on how to select a relevant ontology for [...]
Ontologies and the Semantic Web
This site introduces ontologies and the Semantic Web, with an emphasis on how ontologies are defined and used for applications. There are about about thirty [...]
From Linked Data to Networked Knowledge
This lecture briefly covers the history of human communication up to the present day and then seeks to answer the question, "How best can we [...]
Learning from the Masters: Understanding Ontologies found on the Web (Part 1)
The purpose of this presentation was to help conference attendees gain sufficient experience of working with OWL and tools (e.g., the Swoop ontology editor/browser) to [...]