Hierarchical reasoning about direction relations
GIS '96 Proceedings of the 4th ACM international workshop on Advances in geographic information systems
Direction as a spatial object: a summary of results
Proceedings of the 6th ACM international symposium on Advances in geographic information systems
Metric details for natural-language spatial relations
ACM Transactions on Information Systems (TOIS)
Extending Ladkin's algebra on non-convex intervals towards an algebra on union-of regions
Proceedings of the 8th ACM international symposium on Advances in geographic information systems
Processing object-oientation-based direction queries: a summary of results
Proceedings of the 8th ACM international symposium on Advances in geographic information systems
Cardinal relations between regions with a broad boundary
Proceedings of the 8th ACM international symposium on Advances in geographic information systems
Acquisition and Propagation of Spatial Constraints Based on Qualitative Information
IEEE Transactions on Pattern Analysis and Machine Intelligence
Viewing composition tables as axiomatic systems
Proceedings of the international conference on Formal Ontology in Information Systems - Volume 2001
Efficient Matching and Indexing of Graph Models in Content-Based Retrieval
IEEE Transactions on Pattern Analysis and Machine Intelligence - Graph Algorithms and Computer Vision
Algorithms for Hierarchical Spatial Reasoning
Geoinformatica
An Object Model of Direction and Its Implications
Geoinformatica
Relation algebras over containers and surfaces: An ontological study of a room space
Spatial Cognition and Computation
Implicit spatial reference systems using proximity and aligment knowledge
Spatial Cognition and Computation
Qualitative representation of spatial knowledge in two-dimensional space
The VLDB Journal — The International Journal on Very Large Data Bases - Spatial Database Systems
Topological Invariants for Lines
IEEE Transactions on Knowledge and Data Engineering
Object-Based Directional Query Processing in Spatial Databases
IEEE Transactions on Knowledge and Data Engineering
A Tractable Subclass of the Block Algebra: Constraint Propagation and Preconvex Relations
EPIA '99 Proceedings of the 9th Portuguese Conference on Artificial Intelligence: Progress in Artificial Intelligence
Representing and Reasoning on Three-Dimensional Qualitative Orientation Point Objects
EPIA '01 Proceedings of the10th Portuguese Conference on Artificial Intelligence on Progress in Artificial Intelligence, Knowledge Extraction, Multi-agent Systems, Logic Programming and Constraint Solving
Schematic Maps for Robot Navigation
Spatial Cognition II, Integrating Abstract Theories, Empirical Studies, Formal Methods, and Practical Applications
A Formal Model of the Process of Wayfinding in Built Environments
COSIT '99 Proceedings of the International Conference on Spatial Information Theory: Cognitive and Computational Foundations of Geographic Information Science
Reasoning about Cardinal Directions Using Grids as Qualitative Geographic Coordinates
COSIT '99 Proceedings of the International Conference on Spatial Information Theory: Cognitive and Computational Foundations of Geographic Information Science
Double-Crossing: Decidability and Computational Complexity of a Qualitative Calculus for Navigation
COSIT 2001 Proceedings of the International Conference on Spatial Information Theory: Foundations of Geographic Information Science
Consistency Checking for Qualitative Spatial Reasoning with Cardinal Directions
CP '02 Proceedings of the 8th International Conference on Principles and Practice of Constraint Programming
CCIA '02 Proceedings of the 5th Catalonian Conference on AI: Topics in Artificial Intelligence
Integrating 3D Orientation Models
CCIA '02 Proceedings of the 5th Catalonian Conference on AI: Topics in Artificial Intelligence
Mental representation and processing of geographic knowledge
Composing cardinal direction relations
Artificial Intelligence
Fuzzy semantics for direction relations between composite regions
Information Sciences—Informatics and Computer Science: An International Journal
Cardinal directions between spatial objects: the pairwise-consistency problem
Information Sciences—Informatics and Computer Science: An International Journal
Artificial Intelligence Review
On the consistency of cardinal direction constraints
Artificial Intelligence
Modeling and Computing Ternary Projective Relations between Regions
IEEE Transactions on Knowledge and Data Engineering
CHINZ '06 Proceedings of the 7th ACM SIGCHI New Zealand chapter's international conference on Computer-human interaction: design centered HCI
GIS '06 Proceedings of the 14th annual ACM international symposium on Advances in geographic information systems
Modeling and querying uncertain spatial information for situational awareness applications
GIS '06 Proceedings of the 14th annual ACM international symposium on Advances in geographic information systems
Qualitative Spatial Reasoning with Conceptual Neighborhoods for Agent Control
Journal of Intelligent and Robotic Systems
Dominance Diagrams: A Tool for Qualitative Reasoning About Continuous Systems
Fundamenta Informaticae - Qualitative Spatial Reasoning
A Family of Directional Relation Models for Extended Objects
IEEE Transactions on Knowledge and Data Engineering
Qualitative kinematics of planar robots: Intelligent connection
International Journal of Approximate Reasoning
Qualitative spatial reasoning about relative point position
Journal of Visual Languages and Computing
Qualitative similarity measures-The case of two-dimensional outlines
Computer Vision and Image Understanding
Representing short-term observations of moving objects by a simple visual language
Journal of Visual Languages and Computing
Rule-based reasoning about qualitative spatiotemporal relations
Proceedings of the 5th international workshop on Middleware for pervasive and ad-hoc computing: held at the ACM/IFIP/USENIX 8th International Middleware Conference
International Journal of Geographical Information Science
Interpreting Motion Expressions in Route Instructions Using Two Projection-Based Spatial Models
KI '08 Proceedings of the 31st annual German conference on Advances in Artificial Intelligence
Natural Language Meets Spatial Calculi
Proceedings of the international conference on Spatial Cognition VI: Learning, Reasoning, and Talking about Space
Qualitative Reasoning about Convex Relations
Proceedings of the international conference on Spatial Cognition VI: Learning, Reasoning, and Talking about Space
Refining Topological Relations between Regions Considering Their Shapes
GIScience '08 Proceedings of the 5th international conference on Geographic Information Science
Reasoning on Spatial Relations between Entity Classes
GIScience '08 Proceedings of the 5th international conference on Geographic Information Science
International Journal of Geographical Information Science - Digital Gazetteer Research
Identifying factors of geographic event conceptualisation
International Journal of Geographical Information Science
Towards a geometric interpretation of double-cross matrix-based similarity of polylines
Proceedings of the 16th ACM SIGSPATIAL international conference on Advances in geographic information systems
Projective Relations on the Sphere
ER '08 Proceedings of the ER 2008 Workshops (CMLSA, ECDM, FP-UML, M2AS, RIGiM, SeCoGIS, WISM) on Advances in Conceptual Modeling: Challenges and Opportunities
Qualitative Spatial Scene Modeling for Ambient Intelligence Environments
ICIRA '08 Proceedings of the First International Conference on Intelligent Robotics and Applications: Part I
Counterparts in Language and SpaceSimilarity and S-Connection
Proceedings of the 2008 conference on Formal Ontology in Information Systems: Proceedings of the Fifth International Conference (FOIS 2008)
Coarse Qualitative Model of 3-D Orientation
Proceedings of the 2006 conference on Artificial Intelligence Research and Development
The use of a Reasoning process to solve the almost SLAM Challenge at the Robocup legged league
Proceedings of the 2005 conference on Artificial Intelligence Research and Development
Representing Relative Direction as a Binary Relation of Oriented Points
Proceedings of the 2006 conference on ECAI 2006: 17th European Conference on Artificial Intelligence August 29 -- September 1, 2006, Riva del Garda, Italy
Reasoning with cardinal directions: an efficient algorithm
AAAI'08 Proceedings of the 23rd national conference on Artificial intelligence - Volume 1
Knowledge-based spatial reasoning for scene generation from text descriptions
AAAI'08 Proceedings of the 23rd national conference on Artificial intelligence - Volume 3
A new tractable subclass of the rectangle algebra
IJCAI'99 Proceedings of the 16th international joint conference on Artifical intelligence - Volume 1
Acquisition of qualitative spatial representation by visual observation
IJCAI'99 Proceedings of the 16th international joint conference on Artificial intelligence - Volume 2
An algebraic approach to granularity in qualitative time and space representation
IJCAI'95 Proceedings of the 14th international joint conference on Artificial intelligence - Volume 1
On the consistency of cardinal direction constraints
Artificial Intelligence
A Similarity Calculus for Comparing Qualitative Shape Descriptions
Proceedings of the 2009 conference on Artificial Intelligence Research and Development: Proceedings of the 12th International Conference of the Catalan Association for Artificial Intelligence
Euclidean and mereological qualitative spaces: a study of SCC and DCC
IJCAI'09 Proceedings of the 21st international jont conference on Artifical intelligence
A Similarity Calculus for Comparing Qualitative Shape Descriptions
Proceedings of the 2009 conference on Artificial Intelligence Research and Development: Proceedings of the 12th International Conference of the Catalan Association for Artificial Intelligence
Multi-cultural Aspects of Spatial Knowledge
GeoS '09 Proceedings of the 3rd International Conference on GeoSpatial Semantics
Narrative Geospatial Knowledge in Ethnographies: Representation and Reasoning
GeoS '09 Proceedings of the 3rd International Conference on GeoSpatial Semantics
On generalizing orientation information in OPRAm
KI'06 Proceedings of the 29th annual German conference on Artificial intelligence
Inferring and distributing spatial context
EuroSSC'07 Proceedings of the 2nd European conference on Smart sensing and context
Combinative reasoning with RCC5 and cardinal direction relations
KSEM'07 Proceedings of the 2nd international conference on Knowledge science, engineering and management
Cardinal direction relations in 3D space
KSEM'07 Proceedings of the 2nd international conference on Knowledge science, engineering and management
Evaluation of a semantic similarity measure for natural language spatial relations
COSIT'07 Proceedings of the 8th international conference on Spatial information theory
Reasoning on spatial semantic integrity constraints
COSIT'07 Proceedings of the 8th international conference on Spatial information theory
Linguistic and nonlinguistic turn direction concepts
COSIT'07 Proceedings of the 8th international conference on Spatial information theory
Reachability and dependency calculi: reasoning in network algebras
SC'06 Proceedings of the 2006 international conference on Spatial Cognition V: reasoning, action, interaction
The qualitative trajectory calculus on networks
SC'06 Proceedings of the 2006 international conference on Spatial Cognition V: reasoning, action, interaction
Qualitative spatial representation and reasoning in the SparQ-toolbox
SC'06 Proceedings of the 2006 international conference on Spatial Cognition V: reasoning, action, interaction
Dialog-based 3D-image recognition using a domain ontology
SC'06 Proceedings of the 2006 international conference on Spatial Cognition V: reasoning, action, interaction
Interpreting route instructions as qualitative spatial actions
SC'06 Proceedings of the 2006 international conference on Spatial Cognition V: reasoning, action, interaction
Qualitative spatial reasoning with topological information
Qualitative spatial reasoning with topological information
A framework for utilizing qualitative spatial relations between networked embedded systems
Pervasive and Mobile Computing
Ontological diversity: the case from space
Proceedings of the 2010 conference on Formal Ontology in Information Systems: Proceedings of the Sixth International Conference (FOIS 2010)
Reasoning about cardinal directions between extended objects
Artificial Intelligence
A linguistic ontology of space for natural language processing
Artificial Intelligence
Qualitative matching of spatial information
Proceedings of the 18th SIGSPATIAL International Conference on Advances in Geographic Information Systems
Qualitative reasoning with directional relations
Artificial Intelligence
Modeling ontological concepts of locations with a heterogeneous cardinal direction model
KSEM'10 Proceedings of the 4th international conference on Knowledge science, engineering and management
Composing cardinal direction relations basing on interval algebra
KSEM'10 Proceedings of the 4th international conference on Knowledge science, engineering and management
Reasoning mechanism for cardinal direction relations
AIMSA'10 Proceedings of the 14th international conference on Artificial intelligence: methodology, systems, and applications
A visibility and spatial constraint-based approach for geopositioning
GIScience'10 Proceedings of the 6th international conference on Geographic information science
Implementing a qualitative calculus to analyse moving point objects
Expert Systems with Applications: An International Journal
A constraint satisfaction framework for executing perceptions and actions in diagrammatic reasoning
Journal of Artificial Intelligence Research
Inferring additional knowledge from QTCN relations
Information Sciences: an International Journal
Interpreting motion events of pairs of moving objects
Geoinformatica
CLP(QS): a declarative spatial reasoning framework
COSIT'11 Proceedings of the 10th international conference on Spatial information theory
A model of spatial reference frames in language
COSIT'11 Proceedings of the 10th international conference on Spatial information theory
Dependency calculus: reasoning in a general point relation algebra
KI'05 Proceedings of the 28th annual German conference on Advances in Artificial Intelligence
A causal perspective to qualitative spatial reasoning in the situation calculus
IBERAMIA-SBIA'06 Proceedings of the 2nd international joint conference, and Proceedings of the 10th Ibero-American Conference on AI 18th Brazilian conference on Advances in Artificial Intelligence
Reasoning the spatiotemporal relations between time evolving indeterminate regions
ICMLC'05 Proceedings of the 4th international conference on Advances in Machine Learning and Cybernetics
The reasoning and analysis of spatial direction relation based on voronoi diagram
KES'06 Proceedings of the 10th international conference on Knowledge-Based Intelligent Information and Engineering Systems - Volume Part II
Qualitative reasoning about relative direction of oriented points
Artificial Intelligence
Efficient storage of interactions between multiple moving point objects
OTM'06 Proceedings of the 2006 international conference on On the Move to Meaningful Internet Systems: AWeSOMe, CAMS, COMINF, IS, KSinBIT, MIOS-CIAO, MONET - Volume Part II
CASL specifications of qualitative calculi
COSIT'05 Proceedings of the 2005 international conference on Spatial Information Theory
Reasoning with Qualitative Positional Information for Domestic Domains in the Situation Calculus
Journal of Intelligent and Robotic Systems
Projective relations in a 3d environment
GIScience'06 Proceedings of the 4th international conference on Geographic Information Science
Orientation calculi and route graphs: towards semantic representations for route descriptions
GIScience'06 Proceedings of the 4th international conference on Geographic Information Science
The head-body-tail intersection for spatial relations between directed line segments
GIScience'06 Proceedings of the 4th international conference on Geographic Information Science
The recognition and interpretation of motion in language
CICLing'10 Proceedings of the 11th international conference on Computational Linguistics and Intelligent Text Processing
SC'04 Proceedings of the 4th international conference on Spatial Cognition: reasoning, Action, Interaction
Exploiting qualitative spatial neighborhoods in the situation calculus
SC'04 Proceedings of the 4th international conference on Spatial Cognition: reasoning, Action, Interaction
Spatial relations for semantic similarity measurement
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
Constraint-Based distance estimation in ad-hoc wireless sensor networks
EWSN'06 Proceedings of the Third European conference on Wireless Sensor Networks
A model for the qualitative description of images based on visual and spatial features
Computer Vision and Image Understanding
Probability issues in locality descriptions based on Voronoi neighbor relationship
Journal of Visual Languages and Computing
Multidimensional mereotopology with betweenness
IJCAI'11 Proceedings of the Twenty-Second international joint conference on Artificial Intelligence - Volume Volume Two
A condensed semantics for qualitative spatial reasoning about oriented straight line segments
Artificial Intelligence
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Dominance Diagrams: A Tool for Qualitative Reasoning About Continuous Systems
Fundamenta Informaticae - Qualitative Spatial Reasoning
Integrating semantic directional relationships into virtual environments: a meta-modelling approach
EGVE - JVRC'11 Proceedings of the 17th Eurographics conference on Virtual Environments & Third Joint Virtual Reality
Assessing similarities of qualitative spatio-temporal relations
SC'12 Proceedings of the 2012 international conference on Spatial Cognition VIII
Modeling consistency of spatio-temporal graphs
Data & Knowledge Engineering
Qualitative distances and qualitative image descriptions for representing indoor scenes in robotics
Pattern Recognition Letters
Directional relations and frames of reference
Geoinformatica
A hybrid reasoning model for "whole and part" cardinal direction relations
Advances in Artificial Intelligence
Robotics and Autonomous Systems
StarVars: effective reasoning about relative directions
IJCAI'13 Proceedings of the Twenty-Third international joint conference on Artificial Intelligence
Ontological modelling of form and function for architectural design
Applied Ontology
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