In this paper, our objective is to define a security model for regulating access to XML documents. Our model offers a security policy with a great expressive power. An XML documen...
In this paper we present a complete reference framework for the operation of Certification Service Provider as an organisation. The objective is to form an intermediate reference m...
Dimitrios Lekkas, Stefanos Gritzalis, Sokratis K. ...
We present a new non-interactive key agreement and progression (NIKAP) scheme for mobile ad hoc networks (MANETs), which does not require an on-line centralized authority, can non...
Access control is an important issue in information security. It is a necessary mechanism for protecting data in a computer system. In this paper, we apply support vector machines...
This paper presents an exploratory study of jihadi extremist groups' videos using content analysis and a multimedia coding tool to explore the types of videos, groups' mo...