CNLS '89 Proceedings of the ninth annual international conference of the Center for Nonlinear Studies on Self-organizing, Collective, and Cooperative Phenomena in Natural and Artificial Computing Networks on Emergent computation
A Categorical Axiomatisation of Region-Based Geometry
Fundamenta Informaticae - Qualitative Spatial Reasoning
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)
Spatial Dimensionality as a Classification Criterion for Qualities
Proceedings of the 2006 conference on Formal Ontology in Information Systems: Proceedings of the Fourth International Conference (FOIS 2006)
A Functional Ontology of Observation and Measurement
GeoS '09 Proceedings of the 3rd International Conference on GeoSpatial Semantics
The Case for Grounding Databases
GeoS '09 Proceedings of the 3rd International Conference on GeoSpatial Semantics
Semantic Challenges for Sensor Plug and Play
W2GIS '09 Proceedings of the 9th International Symposium on Web and Wireless Geographical Information Systems
Proceedings of the 2010 conference on Formal Ontology in Information Systems: Proceedings of the Sixth International Conference (FOIS 2010)
Constructing Bodies and their Qualities from Observations
Proceedings of the 2010 conference on Formal Ontology in Information Systems: Proceedings of the Sixth International Conference (FOIS 2010)
Cognitive invariants of geographic event conceptualization: what matters and what refines?
GIScience'10 Proceedings of the 6th international conference on Geographic information science
Finite relativist geometry grounded in perceptual operations
COSIT'11 Proceedings of the 10th international conference on Spatial information theory
Geospatial semantics and linked spatiotemporal data --Past, present, and future
Semantic Web - On linked spatiotemporal data and geo-ontologies
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Ontologies are a common approach to improve semantic interoperability by explicitly specifying the vocabulary used by a particular information community. Complex expressions are defined in terms of primitive ones. This shifts the problem of semantic interoperability to the problem of how to ground primitive symbols. One approach are semantic datums, which determine reproducible mappings (measurement scales) from observable structures to symbols. Measurement theory offers a formal basis for such mappings. From an ontological point of view, this leaves two important questions unanswered. Which qualities provide semantic datums? How are these qualities related to the primitive entities in our ontology? Based on a scenario from hydrology, we first argue that human or technical sensors implement semantic datums, and secondly that primitive symbols are definable from the meaningful environment, a formalized quality space established through such sensors.