| 2006 | SAC | Dynamic interactive spatial similarity retrieval in iconic image databases using enhanced digraph. | Xiao Ming Zhou, Chuan-Heng Ang, Tok Wang Ling |
| 2004 | DASFAA | Indexing Iconic Image Database for Interactive Spatial Similarity Retrieval. | Xiao Ming Zhou, Chuan-Heng Ang, Tok Wang Ling |
| 2002 | CIKM | Analysis of pre-computed partition top method for range top-k queries in OLAP data cubes. | Zheng Xuan Loh, Tok Wang Ling, Chuan-Heng Ang, Sin Yeung Lee |
| 2002 | DEXA | Adaptive Method for Range Top- k Queries in OLAP Data Cubes. | Zheng Xuan Loh, Tok Wang Ling, Chuan-Heng Ang, Sin Yeung Lee |
| 2002 | MICCAI | Shear-Warp Volume Rendering Algorithms Using Linear Level Octree for PC-Based Medical Simulation. | Zhenlan Wang, Chee-Kong Chui, Chuan-Heng Ang, Wieslaw Lucjan Nowinski |
| 2001 | DEXA | Range Top/Bottom k Queries in OLAP Sparse Data Cubes. | Zhong Wei Luo, Tok Wang Ling, Chuan-Heng Ang, Sin Yeung Lee, Bin Cui |
| 1998 | DEXA | Qualitative Spatial Relationships Representation IO&T and its Retrieval. | Chuan-Heng Ang, Tok Wang Ling, Xiao Ming Zhou |
| 1994 | ADC | The Interval B-Tree: A New Time Indexing Structure. | Chuan-Heng Ang, Kok-Phuang Tan |