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ICTAI
2009
IEEE
16 years 24 days ago
Managing Authorization Provenance: A Modal Logic Based Approach
Abstract—In distributed environments, access control decisions depend on statements of multiple agents rather than only one central trusted party. However, existing policy langua...
Jinwei Hu, Yan Zhang, Ruixuan Li, Zhengding Lu
OTM
2009
Springer
16 years 21 days ago
TMBean: Optimistic Concurrency in Application Servers Using Transactional Memory
Abstract. In this experience report, we present an evaluation of different techniques to manage concurrency in the context of application servers. Traditionally, using entity beans...
Lucas Charles, Pascal Felber, Christophe Gêt...
SACMAT
2009
ACM
16 years 20 days ago
Foundations for group-centric secure information sharing models
We develop the foundations for a theory of Group-Centric Secure Information Sharing (g-SIS), characterize a specific family of models in this arena and identify several direction...
Ram Krishnan, Ravi S. Sandhu, Jianwei Niu, William...
SYSTOR
2009
ACM
16 years 20 days ago
DHIS: discriminating hierarchical storage
A typical storage hierarchy comprises of components with varying performance and cost characteristics, providing multiple options for data placement. We propose and evaluate a hie...
Chaitanya Yalamanchili, Kiron Vijayasankar, Erez Z...
WISTP
2007
Springer
16 years 8 days ago
Mobile Phones as Secure Gateways for Message-Based Ubiquitous Communication
Abstract. For ubiquitous communication self-organising adhoc networks become more and more important. We consider mobile phones as appropriate secure gateways to provide access to ...
Walter Bamberger, Oliver Welter, Stephan Spitz