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Ewerton R. AndradeRouto Terada

Querying a Geographic Database using an Ontology-Based Methodology

Renata ViegasValeria Soares

This work presents a mechanism that allows different community users access the same geographic database without knowing its particular internal structure. We use geographic ontologies to support a common and shared understanding of a specific domain: the coral reefs. Using these ontologies' descriptions that represent the knowledge of the different communities, mechanisms are created to handle with such different concepts. We use equivalent classes mapping, and a semantic layer that interacts with the ontologies and the geographic database, and that gives to the user the answers about his/her queries, independently of the used terms.

http://www.geoinfo.info/geoinfo2006/papers/p51.pdf

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