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CONTEXT
2007
Springer
15 years 10 months ago
Context Modeling: Task Model and Practice Model
Contextual Graphs are a context-based formalism used in various real-world applications. They allow a uniform representation of elements of reasoning and of contexts for describing...
Patrick Brézillon
CVPR
1999
IEEE
15 years 8 months ago
Detecting and Tracking Moving Objects for Video Surveillance
We address the problem of detection and tracking of moving objects in a video stream obtained from a moving airborne platform. The proposed method relies on a graph representation...
Isaac Cohen, Gérard G. Medioni
GISCIENCE
2008
Springer
140views GIS» more  GISCIENCE 2008»
15 years 5 months ago
Modeling Herds and Their Evolvements from Trajectory Data
A trajectory is the time-stamped path of a moving entity through space. Given a set of trajectories, this paper proposes new conceptual definitions for a spatio-temporal pattern n...
Yan Huang, Cai Chen, Pinliang Dong
JALC
2002
97views more  JALC 2002»
15 years 4 months ago
Semiring Frameworks and Algorithms for Shortest-Distance Problems
We define general algebraic frameworks for shortest-distance problems based on the structure of semirings. We give a generic algorithm for finding single-source shortest distances...
Mehryar Mohri
IEEEARES
2009
IEEE
15 years 11 months ago
A Mobile Ambients-Based Approach for Network Attack Modelling and Simulation
Abstract—Attack Graphs are an important support for assessment and subsequent improvement of network security. They reveal possible paths an attacker can take to break through se...
Virginia N. L. Franqueira, Pascal van Eck, Roel Wi...