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SACMAT
2009
ACM
13 years 10 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 ...
VTC
2008
IEEE
140views Communications» more  VTC 2008»
14 years 4 days ago
Diversity Combining of Signals with Different Modulation Levels in Cooperative Relay Networks
In digital cooperative relaying, signals from the source-destination and relay-destination links are combined at the destination to achieve spatial diversity. These signals do not ...
Akram Bin Sediq, Halim Yanikomeroglu
BMCBI
2010
142views more  BMCBI 2010»
13 years 5 months ago
pplacer: linear time maximum-likelihood and Bayesian phylogenetic placement of sequences onto a fixed reference tree
Background: Likelihood-based phylogenetic inference is generally considered to be the most reliable classification method for unknown sequences. However, traditional likelihood-ba...
Frederick A. Matsen III, Robin B. Kodner, E. Virgi...
CVPR
2005
IEEE
14 years 7 months ago
Efficient Mean-Shift Tracking via a New Similarity Measure
The mean shift algorithm has achieved considerable success in object tracking due to its simplicity and robustness. It finds local minima of a similarity measure between the color...
Changjiang Yang, Ramani Duraiswami, Larry S. Davis
GLVLSI
2007
IEEE
158views VLSI» more  GLVLSI 2007»
14 years 3 days ago
Design of a versatile and cost-effective hybrid floating-point/LNS arithmetic processor
LNS (logarithmic number system) arithmetic has the advantages of high-precision and high performance in complex function computation. However, the large hardware problem in LNS ad...
Chichyang Chen, Paul Chow