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DBSEC
2010
152views Database» more  DBSEC 2010»
15 years 8 months ago
Modelling Dynamic Access Control Policies for Web-Based Collaborative Systems
Abstract. We present a modelling language, called X-Policy, for webbased collaborative systems with dynamic access control policies. The access to resources in these systems depend...
Hasan Qunoo, Mark Ryan
CCGRID
2001
IEEE
15 years 10 months ago
While You're Away: A System for Load-Balancing and Resource Sharing Based on Mobile Agents
While You're Away (WYA) is a distributed system that aggregates the computational power of individual computer systems. WYA introduces the notion of Roaming Computations - Ja...
Niranjan Suri, Paul T. Groth, Jeffrey M. Bradshaw
IEEEIAS
2009
IEEE
16 years 1 months ago
One-way Hash Function Construction Based on Conservative Chaotic Systems
: An algorithm for one-way hash function construction based on conservative chaotic system is proposed. The plaintext is divided into a group of message blocks by a fixed length an...
Qing-hua Zhang, Han Zhang, Zhao-hui Li
FC
2006
Springer
139views Cryptology» more  FC 2006»
15 years 10 months ago
Defeating Malicious Servers in a Blind Signatures Based Voting System
In this paper, we present two failures in the blind signatures based voting system Votopia [2] which has been tested during the last World Soccer Cup. We then propose a fix which r...
Sébastien Canard, Matthieu Gaud, Jacques Tr...
SIGCSE
2008
ACM
169views Education» more  SIGCSE 2008»
15 years 6 months ago
APOGEE: automated project grading and instant feedback system for web based computing
Providing consistent, instant, and detailed feedback to students has been a big challenge in teaching Web based computing, given the complexity of project assignments and the comp...
Xiang Fu, Boris Peltsverger, Kai Qian, Lixin Tao, ...