Air Travel
Beijing Capital International Airport (airport code: PEK) is to the northeast of the city, about 35km from the conference venue. It's served by many international airlines. Here are several Chinese airlines that have direct flights between Beijing and major cities in the world:

Air China http://www.airchina.com.cn/en/index.shtml
China Eastern Airlines http://en.ceair.com/
China Southern Airlines http://www.csair.com/en/index.shtml
Hainan Airlines http://global.hnair.com/

From the airport to the venue and the hotels
Taxi: The cost of a taxi from the airport to the conference venue or the hotels is about 100 CNY (~16 US Dollars), including expressway toll. Please show the driver the map of your destination: Tianchuang Hotel, Beijing Liaoning Hotel, Jade Palace Hotel, Beijing Friendship Hotel. Here is a map of the area.
Airport Shuttle (16 CNY): Line 4 has a stop at the Beijing Friendship Hotel. For hotels near UCAS/KITPC, take Line 5 to its final destination, Zhong Guan Cun. The stop is on the north side of the KITPC campus. You can then walk or take a taxi to the hotels (~1km, 10 CNY). Lightrail/Subway: Take the Airport Express Lightrail (25 CNY) to SanYuanQiao Station, and transfer to Line 10. Jade Palace Hotel is about 300m east to ZhiChunLi Station on line 10. For Beijing Friendship Hotel, you need to transfer from line 10 to line 4 at HaiDianHuangZhuang Station, and get off at RenMin University. For other destinations near UCAS and KITPC, get off line 10 at ZhiChunLu Station, and then take a taxi (~10 CNY) there. Here is a subway map.