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» A Logic of Graph Constraints
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103
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CONTEXT
2007
Springer
15 years 7 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
ICCS
2000
Springer
15 years 4 months ago
Extending the CG Model by Simulations
Abstract. Conceptual graphs (CGs) share with FOL a fundamental expressiveness limitation: only higher-order logics allow assertions of properties on predicates. This paper intends ...
Jean-François Baget
105
Voted
ROBOCUP
1999
Springer
95views Robotics» more  ROBOCUP 1999»
15 years 5 months ago
Spatial Agents Implemented in a Logical Expressible Language
In this paper, we present a multi-layered architecture for spatial and temporal agents. The focus is laid on the declarativity of the approach, which makes agent scripts expressive...
Frieder Stolzenburg, Oliver Obst, Jan Murray, Bj&o...
88
Voted
PODS
2000
ACM
102views Database» more  PODS 2000»
15 years 5 months ago
Linear Approximation of Planar Spatial Databases Using Transitive-Closure Logic
We consider spatial databases in the plane that can be defined by polynomial constraint formulas. Motivated by applications in geographic information systems, we investigate line...
Floris Geerts, Bart Kuijpers
MPC
2010
Springer
246views Mathematics» more  MPC 2010»
15 years 2 months ago
Abstraction of Object Graphs in Program Verification
ion of Object Graphs in Program Verification Yifeng Chen1 and J.W. Sanders2 1 HCST Key Lab at School of EECS, Peking University, China. 2 UNU-IIST, Macao. A set-theoretic formalism...
Yifeng Chen, Jeff W. Sanders