doi dblp Theory of keyblock-based image retrieval Lei Zhu | Aibing Rao | Aidong Zhang 2002 Volume 20 Issue 2
doi dblp Intelligent Indexing and Semantic Retrieval of Multimodal Documents Rohini K. Srihari | Zhongfei Zhang | Aibing Rao 2000 Volume 2 Issue 2/3