Interesting Links:

• Java
• Knowledge Representation
• Reasoning
• Interesting Projects
• Misc.

Java:

• jGuru (general Java tips)
• Java collaboration

Knowledge Representation:

• Protege knowledge modeling environment
• Protege OWL plugin

Reasoning:

• Drools (Java rule api)
• Racer OWL/RDF reasoner (classifier)

Interesting Projects:

Misc:

• SourceForge open source project repository