1. Similarity retrieval of ICONIC image databases systems;Lee;Pattern Recognition,1989
2. A. Prasad Sistla, Clement Yu, Chengwen Liu, King Liu, Similarity-based retrieval of pictures using indices on spatial relationships, in: Proceedings of the 1995 VLDB Conference, Zurich, Switzerland, 23–25 September 1995
3. Wen-Syan Li, K. Selçuk Candan, SEMCOG: a hybrid object-based image database system and its modeling, language, and query processing, in: Proceedings of the 14th International Conference on Data Engineering, Orlando, FL, USA, February 1998
4. Wen-Syan Li, K. Selçuk Candan, Kyoji Hirata, Yoshinori Hara, Facilitating multimedia database exploration through visual interfaces and perpetual query reformulations, in: Proceedings of the 23rd International Conference on Very Large Data Bases (VLDB), Athens, Greece, August 1997, pp. 538–547
5. Hierarchical image modeling for object-based media retrieval;Wen-Syan Li;Data and Knowledge Engineering,1998