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» Abstraction and Refinement in Model Checking
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CCIA
2007
Springer
14 years 1 months ago
An Evaluation of an Object Recognition Schema Using Multiple Region Detectors
Abstract. Robust object recognition is one of the most challenging topics in computer vision. In the last years promising results have been obtained using local regions and descrip...
Meritxell Vinyals, Arnau Ramisa, Ricardo Toledo
ICIC
2007
Springer
14 years 1 months ago
A Sparse Kernel Density Estimation Algorithm Using Forward Constrained Regression
Abstract. Using the classical Parzen window (PW) estimate as the target function, the sparse kernel density estimator is constructed in a forward constrained regression manner. The...
Xia Hong, Sheng Chen, Chris Harris
FOSSACS
2005
Springer
14 years 1 months ago
History-Based Access Control with Local Policies
Abstract. An extension of the λ-calculus is proposed, to study historybased access control. It allows for security policies with a possibly nested, local scope. We define a type ...
Massimo Bartoletti, Pierpaolo Degano, Gian Luigi F...
ICTAC
2005
Springer
14 years 1 months ago
Representation and Reasoning on RBAC: A Description Logic Approach
Abstract. Role-based access control (RBAC) is recognized as an excellent model for access control in large-scale networked applications. Formalization of RBAC in a logical approach...
Chen Zhao, NuerMaimaiti Heilili, Shengping Liu, Zu...
RTA
2005
Springer
14 years 1 months ago
Natural Narrowing for General Term Rewriting Systems
Abstract. For narrowing to be an efficient evaluation mechanism, several lazy narrowing strategies have been proposed, although typically for the restricted case of left-linear con...
Santiago Escobar, José Meseguer, Prasanna T...