Improving a recommender system by collective matrix factorization with tag information. - Bu Sung Kim; Heera Kim; Jaedong Lee; Jee-Hyong Lee 001 (SCIS&ISIS, 2014)

An approach for multi-label classification by directed acyclic graph with label correlation maximization. - Jaedong Lee; Heera Kim; Noo-Ri Kim; Jee-Hyong Lee 001 (Inf. Sci., 2016)