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Hybrid optimization algorithm based optimal position selection for watermarking in relational database

delete2026-02-11
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PRE
AI
C
Chhikara, Khushboo
K
Kumar, Manoj *
DOI:10.1007/s10619-026-07458-2delete
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摘要

摘要

En 中文
数据库安全的主要目标是通过对数据原始创建者的识别来建立数据所有权。在电子数据方面这一点尤为重要,因为这些数据集经常被修改和复制,而未给予原始数据来源应有的信用或认可。如今,为了保护数据库,开发了水印系统。尽管使用水印系统保护关系数据库具有挑战性。因此,本文开发了一种高效的水印系统,以防止关系数据库的数据丢失。所提出的系统涉及三个阶段,即最优位置选择、嵌入和提取。在此过程中,首先,对于嵌入操作,使用Osprey with BAT optimization(OBO)算法选择关系数据库的最优位置。所提出的OBO算法是Osprey优化(O2)和BAT算法的结合。在位置选择之后,我们将水印位嵌入数据库。然后执行提取过程。在此过程中,我们为数值和非数值数据分别采用了不同的嵌入和提取策略。引入的水印系统的效率基于均方误差(MSE)和归一化相关系数(NC)进行分析。实验结果表明,所提出的水印系统相比其他方法取得了更好的结果。
Keyword:
Relational database
Watermarking
Osprey optimization
BAT algorithm
Embedding and extraction

期刊

D
Distributed and Parallel Databases
IF:
0.9
论文数:
11
被引数:
368

机构

D
Delhi Technological University
学者数:
2.6K
论文数: 2.3K
被引数: 2.7K
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