The Semantic WebToday we reach an important milestone in this series. We are crossing a great divide between familiar technologies such as XML, Unicode, URI, and RDF to the Web Ontology Language (OWL). This, my friends, is where things really start to get interesting because this is the point where the Semantic Web vision really starts to take form. Today, we present a screencast exhibiting Protégé — a free, open source ontology editor and knowledge-base framework developed by Stanford Center for Biomedical Informatics Research at the Stanford University School of Medicine. In this screencast, we show you how to develop a useful Semantic Web-ready application in just minutes. You will learn how to model a very simple ontology in OWL (the Web Ontology Language).

You will see how the tool empowers you to create a data entry system for ontology individuals. You will also see how to query the data in your ontology very easily with one of Protégé's built-in query tools. Finally, you will see one impressive technique that the tool provides for rendering ontology data graphically.

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Next week I will discuss this buzzword 'ontology,' the meaning of it, and more about the Web Ontology Language. Until next time, enjoy your work and the web.

About the author

Cody Burleson

Cody Burleson is President and CEO of Burleson Technology Group, LLC. BTG provides Information Workplace and business integration solutions on leading enterprise platforms and is currently developing a semantic Workplace application. BTG also sponsors Workplace Design, a wiki community for sharing news, information, tools, and notes on the Information Workplace and business integration.

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