(52) US Cl........................................ 3801279, 713/155 defined between a first key server
having a previously estab (58) Field of Classification Search.................. 380,279 lished …

In this paper we explore the overhead introduced by secure functions in considering a case
study in non-repudiation. We present a model of an optimistic fair exchange protocol …

Today, collaboration is considered a way of improving efficiency and quality of work. This
concept is spreading quickly over the technological world, resulting in the organisation of …

Trade-off between security and performance has become an intriguing area in recent years
in both the security and performance communities. As the security aspects of security …

The work presented in this MPhil thesis addresses this challenge by developing a new
simplified FSSO system that allows end-users to access desktop systems, web-based …

A platform for advanced Collaborative Working Environments (CWEs) has been designed
that follows the principles of an Open Service Oriented Architecture (OSOA). The multilayer …

抄録 In this paper, we show a performance evaluation of distributed database in a
hierarchical network in the two cases. In one case, database is managed by one supervisor …

論文抄録 階層型ネットワーク内に多数のノードが存在する場合に, データベースをスー
パバイザ・ノードが集中して保管している場合と各クライアント・ノードが 分散して保管している場合 …