The Hoam faculty house is on campus and is about 20-minute walk to the workshop venue.
http://www.hoam.ac.kr/eng/
ICN airport <-> Hoam Faculty House is connected by a direct airport bus. It takes about 1~1.5 hours and costs ~15,000 KRW.
http://www.hoam.ac.kr/eng/hoamHotel/contact_us.php
Taxi to Hoam is here.
There are also various other lodging options near SNU.
