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» Qualitative Temporal and Spatial Reasoning Revisited
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CI
1998
79views more  CI 1998»
13 years 5 months ago
Representing and Reasoning about Motion in a Two-Dimensional World
This paper presents a point based spatio-temporal rst order logic for representing the qualitative and quantitative spatial temporal knowledge needed to reason about motion in a t...
Wanlin Pang, André Trudel
GEOS
2005
Springer
13 years 11 months ago
A Qualitative Trajectory Calculus and the Composition of Its Relations
Continuously moving objects are prevalent in many domains. Although there have been attempts to combine both spatial and temporal relationships from a reasoning, a database, as wel...
Nico Van de Weghe, Bart Kuijpers, Peter Bogaert, P...
ROBOCUP
1999
Springer
95views Robotics» more  ROBOCUP 1999»
13 years 9 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...
GIS
2007
ACM
14 years 6 months ago
Spatial and temporal analysis of pedestrian egress behavior and efficiency
This research reports on exploring analytical methodologies for spatio-temporal data of pedestrian egress dynamics in a crowded environment. The research objective is to spatially...
Atsushi Nara, Paul M. Torrens
LPAR
2010
Springer
13 years 3 months ago
A Syntactical Approach to Qualitative Constraint Networks Merging
We address the problem of merging qualitative constraint networks (QCNs) representing agents local preferences or beliefs on the relative position of spatial or temporal entities. ...
Jean-François Condotta, Souhila Kaci, Pierr...