2009 Franz J Kurfess Usage of

© 2009 Franz J. Kurfess

Usage of the Slides © 2009 Franz J. Kurfess

Course Overview © 2009 Franz J. Kurfess

Overview © 2009 Franz J. Kurfess

Course Overview © 2009 Franz J. Kurfess

Overview Semantic Web © 2009 Franz J. Kurfess

Logistics © 2009 Franz J. Kurfess

Bridge-In © 2009 Franz J. Kurfess

Pre-Test © 2009 Franz J. Kurfess

Motivation © 2009 Franz J. Kurfess

Objectives © 2009 Franz J. Kurfess

Semantic Web Introduction © 2009 Franz J. Kurfess

World Wide Web © 2009 Franz J. Kurfess

“Deep Web” © 2009 Franz J. Kurfess

Knowledge and the Web © 2009 Franz J. Kurfess

© 2009 Franz J. Kurfess

History of the Semantic Web © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Semantic Web – Scientific American © 2009 Franz J. Kurfess

© 2009 Franz J. Kurfess Horrocks & Rector, 2004

The Syntactic Web is… © 2009 Franz J. Kurfess Horrocks & Rector, 2004

© 2009 Franz J. Kurfess Horrocks & Rector, 2004 Rev. Alan M. Gates, Associate Rector of the Church of the Holy Spirit, Lake Forest, Illinois

© 2009 Franz J. Kurfess Horrocks & Rector, 2004

Syntactic vs. Semantic Web © 2009 Franz J. Kurfess

What is the Problem? © 2009 Franz J. Kurfess

What information can we see… © 2009 Franz J. Kurfess Horrocks & Rector, 2004

What information can a machine see… © 2009 Franz J. Kurfess Horrocks & Rector, 2004

© 2009 Franz J. Kurfess Horrocks & Rector, 2004

Still the Machine only sees… © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Need to Add “Semantics” © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Meanwhile related developments © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Knowledge Representation on the Web © 2009 Franz J. Kurfess

HTML + Meta-tags © 2009 Franz J. Kurfess

XML + Meta-tags © 2009 Franz J. Kurfess

Microformats © 2009 Franz J. Kurfess Cook & Troughton, 2007

© 2009 Franz J. Kurfess

What are Microformats? © 2009 Franz J. Kurfess Cook & Troughton, 2007

More about Microformats © 2009 Franz J. Kurfess Cook & Troughton, 2007

What current systems exist? © 2009 Franz J. Kurfess Cook & Troughton, 2007

Current Conventions © 2009 Franz J. Kurfess Cook & Troughton, 2007

Human or Machine Use? © 2009 Franz J. Kurfess Cook & Troughton, 2007

Use of Microformats © 2009 Franz J. Kurfess Cook & Troughton, 2007

Who should use Microformats? © 2009 Franz J. Kurfess Cook & Troughton, 2007

Benefits of Microformats 1 © 2009 Franz J. Kurfess Cook & Troughton, 2007

© 2009 Franz J. Kurfess Cook & Troughton, 2007

© 2009 Franz J. Kurfess Cook & Troughton, 2007

Microformat Usage © 2009 Franz J. Kurfess Cook & Troughton, 2007

Code Differences © 2009 Franz J. Kurfess Cook & Troughton, 2007

Customization © 2009 Franz J. Kurfess Cook & Troughton, 2007

Web Page Update © 2009 Franz J. Kurfess Cook & Troughton, 2007

© 2009 Franz J. Kurfess Cook & Troughton, 2007

Example © 2009 Franz J. Kurfess Cook & Troughton, 2007

Tools © 2009 Franz J. Kurfess Cook & Troughton, 2007

Future © 2009 Franz J. Kurfess Cook & Troughton, 2007

How Can You Help? © 2009 Franz J. Kurfess Cook & Troughton, 2007

Sources © 2009 Franz J. Kurfess Cook & Troughton, 2007

Resource Description Framework (RDF) © 2009 Franz J. Kurfess

© 2009 Franz J. Kurfess

What is the Purpose of RDF? 6300 kilometers western China's Qinghai-Tibet Plateau East China Sea © 2009 Franz J. Kurfess

XML --> RDF Modify the following XML document so that it is also a valid RDF document: 6300 kilometers western China's Qinghai-Tibet Plateau East China Sea © 2009 Franz J. Kurfess

The RDF Format © 2009 Franz J. Kurfess

The RDF Format (cont. ) © 2009 Franz J. Kurfess

Namespace Convention Thus, the "#" symbol is simply a mechanism for separating the namespace from the type name and the property © 2009 Franz J. Kurfess

The RDF Format © 2009 Franz J. Kurfess

Advantage of using the RDF Format © 2009 Franz J. Kurfess

Disadvantage of using the RDF Format © 2009 Franz J. Kurfess

Uniquely Identify the Resource © 2009 Franz J. Kurfess

Triple -> resource/property/value © 2009 Franz J. Kurfess

The RDF Format = triples! © 2009 Franz J. Kurfess

“Striped” RDF Triples © 2009 Franz J. Kurfess

SPARQL © 2009 Franz J. Kurfess

Ontology: Origins and History © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Ontology in Linguistics © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Classification: An Old Problem © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Ontology in Computer Science © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Example Ontology © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Ontology Classified Logically © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Where else are ontologies used? © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Ontologies as Conceptual Lego © 2009 Franz J. Kurfess Horrocks & Rector, 2004

User Interfaces using conceptual Lego Reduction Fixation Open Femur Tibia Fibula Ankle More. . . Humerus Radius Ulna Wrist More. . . Left Right Shaft © 2009 Franz J. Kurfess Closed Neck Gt Troch More. . . Horrocks & Rector, 2004

Semantic Web Challenge © 2009 Franz J. Kurfess [AKT 2003] Horrocks & Rector, 2004

So why is it hard? © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Structure of an Ontology © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Concept Names © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Domain Knowledge © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Tools and Services © 2009 Franz J. Kurfess Horrocks & Rector, 2004

OWL as (Description) Logic © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Ontologies as DL Knowledge Bases © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Knowledge Base Semantics © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Services as Reasoning (1) © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Services as Reasoning (2) © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Results for Margherita Pizza © 2009 Franz J. Kurfess Horrocks & Rector, 2004

What it Means © 2009 Franz J. Kurfess Horrocks & Rector, 2004

DL Reasoning (1) © 2009 Franz J. Kurfess Horrocks & Rector, 2004

DL Reasoning (2) © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Highly Optimised Implementation © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Optimised classification © 2009 Franz J. Kurfess Horrocks & Rector, 2004

Optimised subsumption testing © 2009 Franz J. Kurfess

© 2009 Franz J. Kurfess Horrocks & Rector, 2004

Reference [Dieng et al. 1999] © 2009 Franz J. Kurfess

Reference [Sommerville 01] © 2009 Franz J. Kurfess

Post-Test © 2009 Franz J. Kurfess

References © 2009 Franz J. Kurfess

Important Concepts and Terms © 2009 Franz J. Kurfess

Our goal, by the end of the course… © 2009 Franz J. Kurfess

Summary Chapter-Topic © 2009 Franz J. Kurfess

Resources © 2009 Franz J. Kurfess

© 2009 Franz J. Kurfess