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CCS
2007
ACM
15 years 3 months ago
Direct static enforcement of high-level security policies
A high-level security policy states an overall safety requirement for a sensitive task. One example of a high-level security policy is a separation of duty policy, which requires ...
Qihua Wang, Ninghui Li
CLEAR
2007
Springer
195views Biometrics» more  CLEAR 2007»
15 years 3 months ago
Multi-level Particle Filter Fusion of Features and Cues for Audio-Visual Person Tracking
In this paper, two multimodal systems for the tracking of multiple users in smart environments are presented. The first is a multiview particle filter tracker using foreground, c...
Keni Bernardin, Tobias Gehrig, Rainer Stiefelhagen
CONCUR
2007
Springer
15 years 3 months ago
On the Expressive Power of Global and Local Priority in Process Calculi
Priority is a frequently used feature of many computational systems. In this paper we study the expressiveness of two process algebras enriched with different priority mechanisms...
Cristian Versari, Nadia Busi, Roberto Gorrieri
COSIT
2007
Springer
107views GIS» more  COSIT 2007»
15 years 3 months ago
Spatial Reasoning with a Hole
Cavities in spatial phenomena require geometric representations of regions with holes. Existing models for reasoning over topological relations either exclude such specialized regi...
Max J. Egenhofer, Maria Vasardani
FMCO
2007
Springer
15 years 3 months ago
Universe Types for Topology and Encapsulation
The Universe Type System is an ownership type system for object-oriented programming languages that hierarchically structures the object store; it is used to reason modularly about...
Dave Cunningham, Werner Dietl, Sophia Drossopoulou...