提出一种关系数据库水印算法，适用于数值型数据的版权保护。
An algorithm for relational database watermarking is proposed in this paper, and it is applicable to protect the copyright of numeric data.
针对现有水印算法的不足，提出了一种新的关系数据库水印算法。
A new database watermarking algorithm is put forward in view of existing algorithm insufficiency.
针对现有水印算法的不足，提出了一种新的脆弱性关系数据库水印算法。
A new fragile watermarking algorithm based on relational database is proposed in view of existing algorithm insufficiency.
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