Temporal reasoning based on semi-intervals
Artificial Intelligence
A New Way to Represent the Relative Position between Areal Objects
IEEE Transactions on Pattern Analysis and Machine Intelligence
Maintaining knowledge about temporal intervals
Communications of the ACM
Reasoning about Gradual Changes of Topological Relationships
Proceedings of the International Conference GIS - From Space to Territory: Theories and Methods of Spatio-Temporal Reasoning on Theories and Methods of Spatio-Temporal Reasoning in Geographic Space
Temporal reasoning about fuzzy intervals
Artificial Intelligence
A Qualitative Hidden Markov Model for Spatio-temporal Reasoning
ECSQARU '07 Proceedings of the 9th European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty
Spatial reasoning in a fuzzy region connection calculus
Artificial Intelligence
Qualitative reasoning with directional relations
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
A fuzzy sets theoretic approach to approximate spatial reasoning
IEEE Transactions on Fuzzy Systems
Two-dimensional fuzzy spatial relations: a new way of computing and representation
Advances in Fuzzy Systems
Qualitative Spatial Representation and Reasoning: An Overview
Fundamenta Informaticae - Qualitative Spatial Reasoning
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Spatio-temporal reasoning is extensively used in many areas of computer vision and artificial intelligence (AI). Topological and directional relations-based reasoning methods are developed separately. Reasoning about moving objects in a spatial scene about the two-dimensional scene simultaneously needs both topological and directional reasoning. In this paper, a reasoning method for two-dimensional spatial scene based on combined topological and directional (CTD) relations method is introduced. Main task in spatial reasoning is the construction of composition tables for topological and directional relations. Entities in these composition-tables follows the mathematical rule for composition of spatial relations, these rules are elaborated and composition table for topological relations is divided and rearranged into sub-tables.