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Knows Web Ontology Language, or OWL (2004), as a RDF vocabulary of properties and classes that extend support for expressive data modeling and automated inferencing (reasoning).

OWL 2 Web Ontology Language Primer (Second Edition)

This primer provides an approachable introduction to OWL 2, including orientation for those coming from other disciplines, a running example showing how the language can [...]

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By |May 18th, 2017|Comments Off on OWL 2 Web Ontology Language Primer (Second Edition)

OWL "Same As"

This PowerPoint presentation explains the role which concepts from thesauri and taxonomies play in Linked Data. It briefly discusses ontologies in general before moving on [...]

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By |April 1st, 2017|Comments Off on OWL "Same As"

OWL and DL Homework Exercises

This document contains several "written" and "electronic" homework questions originally from the course "Semantic Web Topics" at LeHigh University. They include: Draw the equivalent graph [...]

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By |January 20th, 2017|Comments Off on OWL and DL Homework Exercises

Design an OWL Ontology Project

This document outlines a project originally from the course "Semantic Web Topics" at LeHigh University. Students are asked to work in teams to design an [...]

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By |January 20th, 2017|Comments Off on Design an OWL Ontology Project

On Beyond OWL: Challenges for Ontologies on the Web

In this slide presentation, the author argues that "the need for ontologies in the real world is manifest and increasing". This talk explores some of [...]

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By |January 13th, 2017|Comments Off on On Beyond OWL: Challenges for Ontologies on the Web

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

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 [...]

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By |January 15th, 2016|Comments Off on Periodic Table in OWL

Multi-Agent and Semantic Web Systems: Representation

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

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

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

Ontology Consistency and Instance Checking for Real World Linked Data

Many large ontologies have been created which make use of OWL's expressiveness for specification. However, tools to ensure that instance data is in compliance with [...]

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By |November 9th, 2015|Comments Off on Ontology Consistency and Instance Checking for Real World Linked Data