Title	A Novel Watermark Algorithm for Integrity Protection of XML Documents
Author	Ronghua Yao, Qijun Zhao, Hongtao Lu
Citation	Vol. 6  No. 2  pp. 202~207
Keywords	Extensible Markup Language (XML), Integrity Protection, Watermark, Signature, Principal Component Analysis (PCA)

Title	Combining Multiple Techniques for Intrusion Detection
Author	Ronghua Yao, Qijun Zhao, Hongtao Lu
Citation	Vol. 6  No. 2  pp. 208~218
Keywords	intrusion detection system, combined detection model, fusion method.