The following publications are possibly variants of this publication:
- Corrigendum to A tunable class hierarchy index for object-oriented databases using a multidimensional index structure Jong-Hak Lee, Kyu-Young Whang, Wook-Shin Han, Wan-Sup Cho, Il-Yeol Song. INFSOF, 43(12):743, 2001.
- 2D-CHI: A Tunable Two-Dimensional Class Hierarchy Index for Object-Oriented DatabasesJong-Hak Lee, Kyu-Young Whang, Wook-Shin Han, Wan-Sup Cho, Il-Yeol Song. compsac 2000: 598-607 [doi]