A theory for qualitative spatial reasoning based on order relations

An algebra for cyclic ordering of 2D orientations

AAAI '98/IAAI '98 Proceedings of the fifteenth national/tenth conference on Artificial intelligence/Innovative applications of artificial intelligence

Algorithms for Hierarchical Spatial Reasoning

Geoinformatica

Fuzzy semantics for direction relations between composite regions

Information Sciences—Informatics and Computer Science: An International Journal

Qualitative Spatial Representation and Reasoning: An Overview

Fundamenta Informaticae - Qualitative Spatial Reasoning

A Statistical Model for Directional Relations Between Spatial Objects

Geoinformatica

Qualitative Spatial Representation and Reasoning: An Overview

Fundamenta Informaticae - Qualitative Spatial Reasoning