This topic is supplementary and consists mainly of a lecture and interesting links for further investigation. If you want to practice you ontology development skills, make sure you've done the owl lab instructions.

Lecture:

• Semantic Web 4b: Ontology Engineering

Software:

• http://www.webknox.com/blog/2010/10/ontofly-a-web-based-ontology-editor/
• NeOn Toolkit
• SemanticWorks Semantic Web tool - Visual RDF and OWL editor

Ontology libraries:

• SchemaWeb

Ontology evaluation:

• http://code.google.com/p/aeon-project/

Reading:

• http://keet.wordpress.com/2009/11/20/72010-semwebtech-lectures-34-ontology-engineering-top-down-and-bottom-up/
• http://www.fao.org/docrep/008/af230e/af230e05.htm#TopOfPage

Discontinued projects:

• http://www.ontoware.org/
  • SMORE - Create OWL Markup for HTML Web Pages
  • SWOOP - A Hypermedia-based Featherweight OWL Ontology Editor
  • OntoMat-Annotizer
• KAON2