—The advent of distributed and ad-hoc-connected systems such as in Ambient Intelligence applications confronts developers with the question on how to specify QoS- and security po...
Abstract. Due to an increasing number of portable devices over 785million world Internet users, a support for quality of service (QoS) and security becomes a significant issue in ...
The Extensible Markup Language (XML) is considered as the de facto standard for information processing and exchange on the Internet and in the enterprise services domain. It is wid...
This paper presents a novel method that allows the delegation of signature power to one or more entities that jointly play the role of a proxy signer. This work is different from ...