Similarity assessment for cardinal directions between extended spatial objects

A study of people's sketching habits in GIS

Spatial Cognition and Computation

A Graded Approach to Directions between Extended Objects

GIScience '02 Proceedings of the Second International Conference on Geographic Information Science

Similarity of Cardinal Directions

SSTD '01 Proceedings of the 7th International Symposium on Advances in Spatial and Temporal Databases

Consistency Checking for Qualitative Spatial Reasoning with Cardinal Directions

CP '02 Proceedings of the 8th International Conference on Principles and Practice of Constraint Programming

Computing and Managing Cardinal Direction Relations

IEEE Transactions on Knowledge and Data Engineering

A Quantitative Description Model for Direction Relations Based on Direction Groups

Geoinformatica

A Family of Directional Relation Models for Extended Objects

IEEE Transactions on Knowledge and Data Engineering

A Statistical Model for Directional Relations Between Spatial Objects

Geoinformatica

A model for describing and composing direction relations between overlapping and contained regions

Information Sciences: an International Journal

Spatial inference and similarity retrieval of an intelligent image database system based on object's spanning representation

Journal of Visual Languages and Computing

Specification and implementation of directional operators in a 3D spatial query language for building information models

Advanced Engineering Informatics

Consistency checking of basic cardinal constraints over connected regions

IJCAI'07 Proceedings of the 20th international joint conference on Artifical intelligence

Deriving topological relations between regions from direction relations

Journal of Visual Languages and Computing

Representing moving objects in computer-based expert systems: the overtake event example

Expert Systems with Applications: An International Journal

The qualitative trajectory calculus on networks

SC'06 Proceedings of the 2006 international conference on Spatial Cognition V: reasoning, action, interaction

Reasoning about cardinal directions between extended objects

Artificial Intelligence

Generating approximate region boundaries from heterogeneous spatial information: An evolutionary approach

Information Sciences: an International Journal

Inferring additional knowledge from QTCN relations

Information Sciences: an International Journal

Reasoning about cardinal directions between extended objects: The NP-hardness result

Artificial Intelligence

A splitting line model for directional relations

Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems

The double-cross and the generalization concept as a basis for representing and comparing shapes of polylines

OTM'05 Proceedings of the 2005 OTM Confederated international conference on On the Move to Meaningful Internet Systems

Heterogeneous spatial reasoning

ECSQARU'05 Proceedings of the 8th European conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty

Description of combined spatial relations between broad boundary regions based on rough set

IDEAL'06 Proceedings of the 7th international conference on Intelligent Data Engineering and Automated Learning

SNAPVis and SPANVis: ontologies for recognizing variable vista spatial environments

SC'04 Proceedings of the 4th international conference on Spatial Cognition: reasoning, Action, Interaction

Conceptual neighbourhood diagrams for representing moving objects

ER'05 Proceedings of the 24th international conference on Perspectives in Conceptual Modeling

A qualitative trajectory calculus and the composition of its relations

GeoS'05 Proceedings of the First international conference on GeoSpatial Semantics

Integrating spatial relations into case-based reasoning to solve geographic problems

Knowledge-Based Systems

Spatial reasoning with rectangular cardinal relations

Annals of Mathematics and Artificial Intelligence

A hybrid reasoning model for "whole and part" cardinal direction relations

Advances in Artificial Intelligence