The following conferences will be co-located with the Twelfth International Conference on the Principles of Knowledge Representation and Reasoning to be held in Toronto, May 9-13, 2010.

• May 10-14, 2010
  The 9th International Conference on Autonomous Agents and Multiagent Systems (AAMAS-2010)
  The Sheraton Centre Toronto Hotel, Toronto, Canada.
• 
  May 4-7, 2010
  23rd International Workshop on Description Logics (DL-2010)
  University of Waterloo, Ontario, Canada.
• 
  May 11-14, 2010
  6th International Conference on Formal Ontology in Information Systems (FOIS-2010)
  The Sutton Place Hotel, Toronto, Canada.
• 
  May 12-16, 2010
  20th International Conference on Automated Planning and Scheduling (ICAPS-2010)
  The Sutton Place Hotel, Toronto, Canada.
• 
  May 14-16, 2010
  13th International Workshops on Non-monotonic Reasoning (NMR-2010)
  The Sutton Place Hotel, Toronto, Canada.
• 
  May 11, 2010
  4th International Workshop on Modular Ontologies to be held in conjunction with FOIS-2010.