Myunggwon Hwang Sunkyoung Baek Junho Choi Jong-An Park PanKoo Kim Grasping Related Words of Unknown Word for Automatic Extension of Lexical Dictionary. 31-35 2008 WKDD http://doi.ieeecomputersociety.org/10.1109/WKDD.2008.151 conf/wkdd/2008 db/conf/wkdd/wkdd2008.html#HwangBCPK08