"The AGI conferences are the only major conference series devoted wholly and specifically to the creation of AI systems possessing general intelligence at the human level and ultimately beyond." This is a small conference (I expect around 200 people, give or take), and this year it comes in two parts, AGI-12 and AGI-Impacts:
http://agi-conference.org/2012/schedule/ http://www.winterintelligence.org/#calendar The videos from the AGI-11 are available here:
http://agi-conf.org/2011/