Methods for Presenting Ontological Knowledge to the Users

1
Methods for Presenting Ontological Knowledge to
the Users
Laclavik M., Balogh Z., Nguyen T. G., Gatial E.,
Hluchy L., laclavik.ui_at_savba.sk
Institute of Informatics, Slovak Academy of
Science, Dubravska cesta 9, 845 07 Bratislava,
Slovakia

• Introduction
• Presenting of knowledge is an important part of
  knowledge management system
• Several ways how to present ontology based
  knowledge
• Object tree
• Graph
• XSL Transformation
• Used Technology
• XML, XSL
• RDF, OWL
• Java, JSP
• In the scope of the Pellucid project we developed
  and evaluated several solutions for presenting
  ontology based knowledge

• Object Tree Presentation
• Native representation of any ontology
• Good for experts
• Not understandable for people, who do not know
  ontologies

• Used Tools
• Tomcat
• Jena
• Protégé

• Graph Presentation
• Native representation of RDF based ontology
• Understandable for users and experts
• Way to explain discovered facts by AI
• Needs further research
• XSL Transformation
• Native representation XML based ontology

Our Goal Presenting ontology based knowledge to
different types of users in an understandable
form. Problem Which is the best method for
presenting knowledge. How to present knowledge
discovered by the system (AI) to users. Which
method is good for experts and which for end
users.