Towards a general theory of action and time
Artificial Intelligence
Space, time, matter and things
Proceedings of the international conference on Formal Ontology in Information Systems - Volume 2001
Semantic Granularity in Ontology-Driven Geographic Information Systems
Annals of Mathematics and Artificial Intelligence
Application of Supervaluation Semantics to Vaguely Defined Spatial Concepts
COSIT 2001 Proceedings of the International Conference on Spatial Information Theory: Foundations of Geographic Information Science
Integrating Spatio-Thematic Information
GIScience '02 Proceedings of the Second International Conference on Geographic Information Science
A Categorical Axiomatisation of Region-Based Geometry
Fundamenta Informaticae - Qualitative Spatial Reasoning
Modes of concept definition and varieties of vagueness
Applied Ontology
Supervaluation semantics for an inland water feature ontology
IJCAI'05 Proceedings of the 19th international joint conference on Artificial intelligence
An Ontology for Grounding Vague Geographic Terms
Proceedings of the 2008 conference on Formal Ontology in Information Systems: Proceedings of the Fifth International Conference (FOIS 2008)
Description logics for relative terminologies
ESSLLI'08/09 Proceedings of the 2008 international conference on Interfaces: explorations in logic, language and computation
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A major problem with encoding an ontology of geographic information in a formal language is how to cope with the issues of vagueness, ambiguity and multiple, possibly conflicting, perspectives on the same concepts.We present a means of structuring such an ontology which allows these issues to be handled in a controlled and principled manner, with reference to an example ontology of the domain of naive hydrography, and discuss some of the issues which arise when grounding such a theory in real data -- that is to say, when relating qualitative geographic description to quantitative geographic data.