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SACMAT
2003
ACM
15 years 11 months ago
Dependencies and separation of duty constraints in GTRBAC
A Generalized Temporal Role Based Access Control (GTRBAC) model that captures an exhaustive set of temporal constraint needs for access control has recently been proposed. GTRBACā...
James Joshi, Basit Shafiq, Arif Ghafoor, Elisa Ber...
CVPR
2006
IEEE
16 years 8 months ago
Acceleration Strategies for Gaussian Mean-Shift Image Segmentation
Gaussian mean-shift (GMS) is a clustering algorithm that has been shown to produce good image segmentations (where each pixel is represented as a feature vector with spatial and r...
Miguel Á. Carreira-Perpiñán
GECCO
2006
Springer
164views Optimization» more  GECCO 2006»
15 years 10 months ago
Adaptation for parallel memetic algorithm based on population entropy
In this paper, we propose the island model parallel memetic algorithm with diversity-based dynamic adaptive strategy (PMADLS) for controlling the local search frequency and demons...
Jing Tang, Meng-Hiot Lim, Yew-Soon Ong
FLAIRS
2006
15 years 7 months ago
Adaptive, Confidence-Based Strategic Negotiations in Complex Multiagent Environments
We have designed and implemented an adaptive, confidence-based negotiation strategy for conducting multiple, concurrent negotiations among agents in dynamic, uncertain, and real-t...
Xin Li, Leen-Kiat Soh
FLAIRS
2008
15 years 8 months ago
Distributed University Timetabling with Multiply Sectioned Constraint Networks
Although timetabling has long been studied through constraint satisfaction based techniques, along with many alternatives, only recently work has been reported where distributed t...
Yang Xiang, Wanling Zhang