关系数据库零水印的构造算法

Arithmetic of constructing relational databases' zero-watermark

对传统的数据库的数字水印技术进行了分析,从理论上总结了已有方案的本质和局限性,并对作者早期的研究成果进行了修正和完善;在此基础上构造了一种数据库零水印的模型,并且对这种模型作了理论分析和算法实现;最后通过仿真实验对算法的可行性和有效性进行了验证和分析,结果表明该算法具有较好的鲁棒性.

Traditional database＇s watermark technology is firstly analysis, then gets the result about the traditional schema＇s essence and shortcomings. A new databases＇ zero-watermark model is proposed, then the author＇s earlier theory about zero-watermark＇s robustness is improved. At last it give an arithmetic for constructing the zero-watermarking and the experimentation shows the arithmetic has the good robustness.