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FLAIRS
2003
13 years 9 months ago
Spatially-Aware Information Retrieval with Graph-Based Qualitative Reference Models
Geo-referenced information is used by a growing number of “spatially-aware” tools in different application areas, including tourism, marketing, environmental management, and m...
Thomas Vögele, Christoph Schlieder
FQAS
2006
Springer
120views Database» more  FQAS 2006»
13 years 11 months ago
Question Answering with Imperfect Temporal Information
Abstract. A temporal question answering system must be able to deduce which qualitative temporal relation holds between two events, a reasoning task that is complicated by the fact...
Steven Schockaert, David Ahn, Martine De Cock, Eti...
SEMWEB
2009
Springer
14 years 2 months ago
PelletSpatial: A Hybrid RCC-8 and RDF/OWL Reasoning and Query Engine
In this paper, we present PelletSpatial, a qualitative spatial reasoning engine implemented on top of Pellet. PelletSpatial provides consistency checking and query answering over s...
Markus Stocker, Evren Sirin
AAAI
2000
13 years 9 months ago
Describing Rigid Body Motions in a Qualitative Theory of Spatial Regions
We explore the expressive power of a recently developed qualitative region-based geometry and apply it to the problem of representing and reasoning about the motion of rigid bodie...
Brandon Bennett, Anthony G. Cohn, Paolo Torrini, S...
ECSQARU
2009
Springer
14 years 2 months ago
Merging Qualitative Constraints Networks Using Propositional Logic
In this paper we address the problem of merging qualitative constraints networks (QCNs). We propose a rational merging procedure for QCNs. It is based on translations of QCNs into ...
Jean-François Condotta, Souhila Kaci, Pierr...