Watermarking is an operation to hide important information. In this paper, a new watermarking algorithm using Shearlet transform and GWO optimization algorithm as well as SVD transform is presented. The results of this paper show the improvement of robustness and transparency of the new algorithm.

This paper examines the issues, the dangers and the saving graces of life in a transparent global community where there is truly “no place to hide”. In recent years, social networks and online groups have transformed issues of privacy and the ways in which we perceive and interact with others. The idea of reputation is critical to this dynamic. The discussion begins with a brief etymological hi...

Recently, researchers started asking why and how people hide knowledge. One explanation is that people develop feelings of psychological ownership for their knowledge and tend to protect it by engaging in territoriality. Prior research holds that psychological ownership is an important antecedent of knowledge hiding. However, little is known about how people develop these feelings of ownership ...

News reports of the last few years indicated that several intelligence agencies are able to monitor large networks or entire portions of the Internet backbone. Such a powerful adversary has only recently been considered by the academic literature. In this paper, we propose a new adversary model for Location Based Services (LBSs). The model takes into account an unauthorized third party, differe...