Base Cartográfica Numérica.ppt

Towntology hydrOntology: Relationship between Urban and Hydrographic featuresin the Geographic Information domain Luis Manuel Vilches Blázquez Miguel ángel Bernabé Poveda Mari Carmen Suárez-Figueroa Asunción Gómez-Pérez Content Relationship between Hydrography and Urbanism Integration of Geographic Information Problems Semantic Differences Ontological frameworks hydrOntology Criteria for structuring Methontology Towntology and hydrOntology Conclusions Relationship between Hydrography and Urbanism Richness of the urban environment Natural features Artificial objects Urban Hydrographic features They characterize some aspects of city planning Urban infrastructures for: water supply, distribution and clean-up River and urban infrastructures Piping: a key role Sewer system Integration of Geographic Information For integrating the hydrology and the urbanism domains we used the “feature” concept. Feature An abstraction of a real world phenomenon with a location on the earth. Two levels: Feature instances Feature types Open GeoSpatial Consortium Integration of Geographic Information For integrating the hydrology and the urbanism domains we used the “feature” concept. Feature An abstraction of a real world phenomenon with a location on the earth. Two levels: Feature instances Feature types Open GeoSpatial Consortium Integration of Geographic Information For integrating the hydrology and the urbanism domains we used the “feature” concept. Feature An abstraction of a real world phenomenon with a location on the earth. Two levels: Feature instances Feature types Open GeoSpatial Consortium Integration of Geographic Information For integrating the hydrology and the urbanism domains we used the “feature” concept. Feature An abstraction of a real world phenomenon with a location on the earth. Two levels: Feature instances Feature types Open GeoSpatial Consortium Feature is not fixed at only one class in one exclusive domain. It depends of the classificatio