Title	Image Scrambling Algorithm Based on Chaos Theory and Sorting Transformation
Author	Liu Xiangdong, Zhang Junxing, Zhang Jinhai, He Xiqin
Citation	Vol. 8  No. 1  pp. 64-68
Keywords	Image scrambling, Chaotic Sequence, Sorting Transformation, Threshold quantization.

Title	Topological Analysis between Bodies with Holes
Author	Zhang Jun, Qin Xiaolin
Citation	Vol. 8  No. 5  pp. 167-174
Keywords	9-intersection model, 3D spatial objects, topological relations, topological analysis, spatial reasoning