With the emerging growth of digital data in information systems, technology faces the
challenge of knowledge prevention, ownership rights protection, security, and privacy …

Recently, using of relational database system in many real life applications is increased.
Therefore watermarking is considered as a vital technique for copyright protection of …

Digital watermarking has been widely applied to relational database for ownership
protection and information hiding. But robustness and reversibility are two key challenges …

Digital watermarking is the technology for digital contents such as audio, video or pictures.
That technology helps to the keep copyrights of the digital contents. After the rapid …

The great development of computer technologies and the Internet have made duplication
and distribution of digital information simpler. This leads to a need for effective copyright …

Design and development of knowledge-preserving and robust water-marking techniques for
digital ownership rights protection of relational databases is an active area of research. In …