nowadays, world wide web has become a popular medium to search information, business, trading and so on. various organizations and companies are also employing the web in order to introduce their products or services around the world. therefore e-commerce or electronic commerce is formed. e-commerce is any type of business or commercial transaction that involves the transfer of information acro...

empowering of terrorist groups in the middle east is the product of numerous reasons. one of the most important of these reasons is the competition between regional powers and their use of the leverage of terrorist groups in order to put pressure on each other. furthermore, immature and wrong policies of great powers like: the united states in militarization of the region have provided new just...

With the embedding of EEG (electro-encephalography) sensors in wireless headsets and other consumer electronics, authenticating users based on their brainwave signals has become a realistic possibility. We undertake an experimental study of the usability and performance of user authentication using consumer-grade EEG sensor technology. By choosing custom tasks and custom acceptance thresholds f...

attracting foreign investment is a technique to achieve economic development, which requires establishment of appropriate legal and administrative infrastructure. in addition, host countries may ignore their public interest and national security. therefore, they have to maintain a balance between economic development and protection of national security. the concern over the national security as...

In this study, we propose a secure communication scheme based on the synchronization of two identical fractional-order chaotic systems. The fractional-order derivative is in Caputo sense, and for synchronization, we use a robust sliding-mode control scheme. The designed sliding surface is taken simply due to using special technic for fractional-order systems. Also, unlike most manuscripts, the ...