Catching up geonews, I learned the sad news that earlier this week the FOSS4G 2012 conference in Beijing has been canceled. To learn more, see this reply from Jeff McKenna, former member of the OSGeo Board of Directors.
From the announcement: "With great regret, the FOSS4G Beijing Local Organizing Committee (LOC) has made the difficult decision of cancelling the event due to a lack of financial resources and the unexpected withdrawal of the Professional Conference Organizer. We sincerely apologize for any inconvenience this has caused. For those interested in FOSS4G events, the LOC suggests consider:
Slashgeo participated to several FOSS4G conferences in the past, including FOSS4G-NA 2012 (North America) a few months ago. There are plenty of other regional geospatial open source events to take place before we head to FOSS4G 2013 in Nottingham, United Kingdom, September 17-21, 2013.