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Knows that Web Ontology Language (OWL) is available in multiple “flavors” that are variously optimized for expressivity, performant reasoning, or for applications involving databases or business rules.

Ontologies and the Semantic Web

A video lecture introducing RDF Schema and OWL, with visible slides throughout. The concepts behind ontologies are also discussed in a general, schema-agnostic manner. Places [...]

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By |December 29th, 2016|Comments Off on Ontologies and the Semantic Web

Querying Linked Data

This module looks in great detail at SPARQL and introduces approaches for querying and updating semantic data. It covers the SPARQL algebra, the SPARQL 1.1 [...]

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By |October 20th, 2016|Comments Off on Querying Linked Data

Multi-Agent and Semantic Web Systems: Description Logics and OWL

This slide presentation of lecture material was used as part of a course given at The University of Edinburgh School of Informatics. This lecture discusses [...]

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By |November 12th, 2015|Comments Off on Multi-Agent and Semantic Web Systems: Description Logics and OWL

RDF, SPARQL and Semantic Repositories

This massive slide presentation covers a LOT of ground, including. It begins with the benefits of using RDF, RDFS/OWL entailment rules and how they can [...]

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By |October 9th, 2015|Comments Off on RDF, SPARQL and Semantic Repositories

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 [...]

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By |September 15th, 2015|Comments Off on Learning from the Masters: Understanding Ontologies found on the Web (Part 2)

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 [...]

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By |September 15th, 2015|Comments Off on An Introduction to OWL

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 [...]

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By |September 15th, 2015|Comments Off on RDF Schema

Answering Queries Over OWL Ontologies with SPARQL

This slide presentation discusses the various types of RDF Schema and OWL entailment regimes defined by SPARQL 1.1. It highlights where limitations and restrictions exist [...]

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By |September 15th, 2015|Comments Off on Answering Queries Over OWL Ontologies with SPARQL

RDF Database Systems: Triples Storage and SPARQL Query Processing

Available in print or EBook, this resource professes to "distill everything you need to know to effectively use or design an RDF database". This book [...]

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By |September 15th, 2015|Comments Off on RDF Database Systems: Triples Storage and SPARQL Query Processing

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 [...]

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By |September 15th, 2015|Comments Off on Learning from the Masters: Understanding Ontologies found on the Web (Part 1)