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CCS
2005
ACM
16 years 7 days ago
An auctioning reputation system based on anomaly
Existing reputation systems used by online auction houses do not address the concern of a buyer shopping for commodities—finding a good bargain. These systems do not provide in...
Shai Rubin, Mihai Christodorescu, Vinod Ganapathy,...
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SACMAT
2009
ACM
15 years 11 months ago
A formal framework to elicit roles with business meaning in RBAC systems
The role-based access control (RBAC) model has proven to be cost effective to reduce the complexity and costs of access permission management. To maximize the advantages offered...
Alessandro Colantonio, Roberto Di Pietro, Alberto ...
CCS
2006
ACM
15 years 10 months ago
RoleMiner: mining roles using subset enumeration
Role engineering, the task of defining roles and associating permissions to them, is essential to realize the full benefits of the role-based access control paradigm. Essentially,...
Jaideep Vaidya, Vijayalakshmi Atluri, Janice Warne...
CCS
2008
ACM
15 years 8 months ago
Controlled privacy preserving keyword search
Data sharing on public servers has become a popular service on the Internet, in which users can store and share data with other users through public servers. However, because the ...
Stephen S. Yau, Yin Yin
CCS
2008
ACM
15 years 8 months ago
Mitigating DNS DoS attacks
This paper considers DoS attacks on DNS wherein attackers flood the nameservers of a zone to disrupt resolution of resource records belonging to the zone and consequently, any of ...
Hitesh Ballani, Paul Francis