Ontologies

• Languages and Standards
• Published Ontologies
• Software and Tools
• Tutorials

• European Centre for Ontological Research  - Represents a new approach in applying ontology to a variety of problems in information science and other related areas.
• KBS-Ontology Projects and Groups  - Directory of ongoing ontology projects from around the world.
• Ontologies for Education  - Collaborative project of three US universities collects and disseminates online resources related to the application of ontology and other relevant technologies to education.
• OntoWeb  - Avenue for sharing ontology based information as related to knowledge management and online commerce.
• You're It  - Posts blogs related to tagging and "folksonomies.".