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» Structured Objects: Modeling and Reasoning
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SAC
2005
ACM
15 years 9 months ago
An attribute-based access matrix model
In traditional access control models like MAC, DAC, and RBAC, authorization decisions are determined according to identities of subjects and objects, which are authenticated by a ...
Xinwen Zhang, Yingjiu Li, Divya Nalla
GECCO
2007
Springer
300views Optimization» more  GECCO 2007»
15 years 10 months ago
A NSGA-II, web-enabled, parallel optimization framework for NLP and MINLP
Engineering design increasingly uses computer simulation models coupled with optimization algorithms to find the best design that meets the customer constraints within a time con...
David J. Powell, Joel K. Hollingsworth
DAGSTUHL
2003
15 years 5 months ago
Reliable Distance and Intersection Computation Using Finite Precision Geometry
In this paper we discuss reliable methods in the field of finite precision geometry. We begin with a brief survey of geometric computing and approaches generally used in dealing ...
Katja Bühler, Eva Dyllong, Wolfram Luther
SPAA
2009
ACM
16 years 1 months ago
At-most-once semantics in asynchronous shared memory
Abstract. At-most-once semantics is one of the standard models for object access in decentralized systems. Accessing an object, such as altering the state of the object by means of...
Sotiris Kentros, Aggelos Kiayias, Nicolas C. Nicol...
FGR
2000
IEEE
230views Biometrics» more  FGR 2000»
15 years 8 months ago
A Robust Model-Based Approach for 3D Head Tracking in Video Sequences
We present a generic and robust method for model-based global 3D head pose estimation in monocular and non-calibrated video sequences. The proposed method relies on a 3D/2D matchi...
Marius Malciu, Françoise J. Prêteux