— Reputation systems can be used in online markets and communities in order to stimulate quality and good behaviour as well as to sanction poor quality and bad behaviour. The bas...
Firewalls and network address translators (NATs) cause significant connectivity problems along with benefits such as network protection and easy address planning. Connectivity pro...
Interactive communication services as telephony and video-conferences use the infrastructure of existing LANs and the Internet more and more. The advantages are obvious. For examp...
This paper maintains that for an access-control mechanism to support a wide range of policies, it is best to dispense with any built-in semantics for roles in the mechanism itself...
Peer-to-Peer (p2p), as an emerging technology, is exerting huge influence on various application scenarios. Meanwhile, agents, assisting applications in traditional paradigm with...