Description Logics, Ontologies and Semantic Web

• Course Information
• Course Textbook

Project

• DEADLINES
  • November 24, 2009 - 50 concepts/student
  • December 8, 2009 - 80 concepts/student
  • December 15, 2009 - 100 concepts/student
• The goal of your assignement is to create an ontology from the tags used at the blog.matfyz.sk portal.
• This ontology will be created collaboratively through the MoKi tool.
• Evaluation of the project will be based on the degree of collaboration with your colleagues.
• The created ontology should have at least 100 concepts per student.
• Database of tags at blog.matfyz.sk (HTML, CSV)
• Follow the rules and recommendendations for developing an ontology: Ontology Development 101

Suggested Topics for Your Blogs

• OWL 2
• Dublin Core
• GRDDL
• FOAF
• RSS (advanced)
• vCard (advanced)
• Interesting Ontologies
• RDF Triple Stores
• Semantic Web Services
• Description Logics
• Tools for SW
• etc.

Exercises

1. Creating OWL ontologies

1. Concepts
2. Properties
3. Property domains and ranges
4. Existencial restrictions

2. Reasoning

• pizza.owl (example ontology from last week)
• Pizza Finder
• OWLViz, GraphViz

3. Introduction to Project

• MoKi
• ontology of blog.matfyz.sk tags

Tools

• Protégé (Mirror)
• MoKi (Manual)
• Jena
• Flora
• Reasoners:
  • FaCT++
  • Pellet
  • Racer
  • Hermit

Tutorial

• Protégé OWL Tutorial

Further Reading

1. Tim Berners-Lee, James Hendler and Ora Lassila. The Semantic Web. Scientific American, May, 2001.
2. W3C Semantic Web Activity
3. RDF Primer
4. RDF Semantics
5. Ontology Development 101