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ICWS
2009
IEEE
15 years 4 months ago
A Dynamic Approach toward QoS-Aware Service Workflow Composition
Web service-based workflow management systems have garnered considerable attention for automating and scheduling dependent operations. Such systems often support user preferences,...
David Chiu, Sagar Deshpande, Gagan Agrawal, Rongxi...
ICASSP
2011
IEEE
14 years 10 months ago
A robust estimator and detector of circularity of complex signals
Recent research has revealed that circularity (or, propriety) of complex random signals can be exploited in developing optimal signal processors. In this paper, a robust estimator...
Esa Ollila, Visa Koivunen, H. Vincent Poor
CCS
2007
ACM
16 years 23 days ago
Managing RBAC states with transitive relations
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
Chaoyi Pang, David P. Hansen, Anthony J. Maeder
HPCC
2007
Springer
16 years 22 days ago
Dynamic System-Wide Reconfiguration of Grid Deployments in Response to Intrusion Detections
As Grids become increasingly relied upon as critical infrastructure, it is imperative to ensure the highly-available and secure day-to-day operation of the Grid infrastructure. The...
Jonathan C. Rowanhill, Glenn S. Wasson, Zach Hill,...
ICDCS
2005
IEEE
16 years 5 days ago
Enhancing Source-Location Privacy in Sensor Network Routing
— One of the most notable challenges threatening the successful deployment of sensor systems is privacy. Although many privacy-related issues can be addressed by security mechani...
Pandurang Kamat, Yanyong Zhang, Wade Trappe, Celal...