A TCSP-like decidable constraint language generalising existing cardinal direction relations
Amar Isli

TL;DR
This paper introduces a new decidable constraint language that generalizes existing cardinal direction relations in qualitative spatial reasoning, enabling effective solutions to related constraint satisfaction problems.
Contribution
It presents a novel, unified constraint language that encompasses well-known calculi in QSR and demonstrates how to solve CSPs within this framework.
Findings
The language subsumes Frank's cone-shaped and projection-based calculi.
It provides a method to solve CSPs expressed in the new language.
The approach ensures decidability for the generalized constraint system.
Abstract
We define a quantitative constraint language subsuming two calculi well-known in QSR (Qualitative Spatial Reasoning): Frank's cone-shaped and projection-based calculi of cardinal direction relations. We show how to solve a CSP (Constraint Satisfaction Problem) expressed in the language.
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Taxonomy
TopicsConstraint Satisfaction and Optimization · Data Management and Algorithms · Semantic Web and Ontologies
