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A Librarian's Guide to Graphs, Data and the Semantic Web by James Powell

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15

Upper ontologies

The process of defining an ontology is typically an effort to document what is known in a particular domain, what things it contains, their properties, and their relationships to one another. But there are fundamental types of knowledge that are not the purview of any particular knowledge domain. Everyone from a biologist to a sociologist to a librarian may be interested in referencing a geographic location. Physical objects have dimensions, structure, and displace space. A chemical reaction, a rocket launch, a genetic mutation, and an opera all have a starting point in time. This chapter introduces some ontologies that have broad applications. These include the Organization ontology for describing organization, the Event ontology ...

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