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SIS
2007
15 years 5 months ago
A General Approach to Securely Querying XML
Access control models for XML data can be classified in two major categories: node filtering and query rewriting systems. The first category includes approaches that use access ...
Ernesto Damiani, Majirus Fansi, Alban Gabillon, St...
AAAI
2006
15 years 5 months ago
On the Difficulty of Achieving Equilibrium in Interactive POMDPs
We analyze the asymptotic behavior of agents engaged in an infinite horizon partially observable stochastic game as formalized by the interactive POMDP framework. We show that whe...
Prashant Doshi, Piotr J. Gmytrasiewicz
CARS
2004
15 years 5 months ago
Evaluating soft tissue simulation in maxillofacial surgery using preoperative and postoperative CT scans
One of the most important issue in soft tissue modeling is to assess the quality of the simulations. A validation protocol is presented based on two CT scans of the patient acquire...
Matthieu Chabanas, Christophe Marecaux, Franz Chou...
WSCG
2001
92views more  WSCG 2001»
15 years 5 months ago
Enhancements to Directional Coherence Maps
Directional Coherence Maps as proposed by Guo in '98 are a very efficient acceleration technique for ray tracing based global illumination renderers. It vastly reduces the nu...
Annette Scheel, Marc Stamminger, Jörg Pü...
WSS
2001
131views Control Systems» more  WSS 2001»
15 years 5 months ago
The Theory of Weak Stabilization
We investigate a new property of computing systems called weak stabilization. Although this property is strictly weaker than the well-known property of stabilization, weak stabiliz...
Mohamed G. Gouda