ANTS2004, 4th International Workshop on Ant Colony Optimization and Swarm Intelligence.
See here for links to past workshops from the series of ANTS workshops.

Organized by Metaheuristics Network and sponsored by PATAT the International Timetabling Competition is open to any aspiring timetabler! The problem proposed is to create a weekly timetable for a university. Below you can find details on the problem and all information necessary to take part to the competition.