Title	A Mapping Model for Transforming Nested XML Documents
Author	Gang Qian, Yisheng Dong
Citation	Vol. 6  No. 2  pp. 83~91
Keywords	Schema mapping, Data Transformation, XQuery, XML.

Title	Design and Analysis of Multi-level Genetic Algorithm with its Application to the Construction of Clock Binary Tree
Author	Nan Guofang, Li Minqiang, Kou Jisong
Citation	Vol. 6  No. 2  pp. 75~82
Keywords	Clock Skew, Genetic Algorithm, NP hard, Partial Mapped Crossover .

Title	Faster PCA for Face Detection Using Cross Correlation in the Frequency Domain
Author	Hazem M. El-Bakry
Citation	Vol. 6  No. 2  pp. 69~74
Keywords	PCA, Cross Correlation, Faster PCA

Title	Simulation Model of Flower Using the Integration of L-systems with Bezier Surfaces
Author	Peiyu Qin, Chuanbo Chen
Citation	Vol. 6  No. 2  pp. 65~68
Keywords	L-systems, Bezier surfaces, flower, realistic image synthesis