The EGG/YOLK reliability hierarchy: semantic data integration using sorts with prototypes
CIKM '94 Proceedings of the third international conference on Information and knowledge management
Boolean connection algebras: a new approach to the Region-Connection Calculus
Artificial Intelligence
A relation — algebraic approach to the region connection calculus
Theoretical Computer Science
Explicit Graphs in a Functional Model for Spatial Databases
IEEE Transactions on Knowledge and Data Engineering
A Cognitive Assessment of Topological Spatial Relations: Results from an Empirical Investigation
COSIT '97 Proceedings of the International Conference on Spatial Information Theory: A Theoretical Basis for GIS
The Algebraic Structure of Sets of Regions
COSIT '97 Proceedings of the International Conference on Spatial Information Theory: A Theoretical Basis for GIS
Reasoning about topological relations between regions with broad boundaries
International Journal of Approximate Reasoning
MSRIC: a model for spatial relations and integrity constraints in topographic databases
AIKED'06 Proceedings of the 5th WSEAS International Conference on Artificial Intelligence, Knowledge Engineering and Data Bases
Fuzzy spatial relation ontology for image interpretation
Fuzzy Sets and Systems
Modeling and querying fuzzy spatiotemporal databases
Information Sciences: an International Journal
The Evaluation of Effects on Breast Cancer Diagnoses When Using Mammographic Semantic Information
IWDM '08 Proceedings of the 9th international workshop on Digital Mammography
Qualitative reasoning about consistency in geographic information
Information Sciences: an International Journal
Expert Systems with Applications: An International Journal
Linking image structures with medical ontology information
IWDM'06 Proceedings of the 8th international conference on Digital Mammography
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The spatial world consists of regions and relationships between regions. Examples of such relationships are that two regions are disjoint or that one is a proper part of the other. The formal specification of spatial relations is an important part of any formal ontology used in qualitative spatial reasoning or geographical information systems. Various schemes of relationships have been proposed and basic schemes have been extended to deal with vague regions, coarse regions, regions varying over time, and so on. The principal aim of this paper is not to propose further schemes, but to provide a uniform framework within which several existing schemes can be understood, and upon which further schemes can be constructed in a principled manner. This framework is based on the fundamental concepts of part and of complement. By varying these concepts, for example, allowing a part-of relation taking values in a lattice of truth values beyond the two-valued Boolean case, we obtain a family of schemes of spatial relations. The viability of this approach to spatial relations as parameterized by the concepts of part and complement is demonstrated by showing how it encompasses the RCC5 and RCC8 schemes as well as the case of ‘egg–yolk regions’.