Title	Storage Techniques for Heterogeneous Reference Type Data in an XML Schema
Author	Hwan-Seung Yong, Kyoung-Hye Lee, Wol Young Lee, Minsoo Lee
Citation	Vol. 8  No. 8  pp. 217-224
Keywords	PDTNet XML schema, heterogeneous reference type, IDREFS

Title	A Frequent Pattern based Prediction Model for Moving Objects
Author	Juyoung Kang, Hwan-Seung Yong
Citation	Vol. 10  No. 3  pp. 200-205
Keywords	Spatio-temporal data mining, Location prediction, Trajectory pattern mining