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The authors mention that "when we create a … The authors mention that "when we create a mapping between the anatomy part of the NCI Thesaurus and the FMA, our goal is not to merge the two ontologies, but rather to help applications integrate the data that was annotated with terms from either ontology. We expect, however, that many applications will use only one or the other ontology. In the field of biomedical ontologies, researchers often think of ontology mapping not as a bridge between two ontologies, but rather as a glue that brings the two ontologies together to create a single whole, with clearly identifiable components. In this case, the ontologies that are mapped are intended to be used together, as a single unit." In the former case that reasoning is performed using under just one ontology, and the mappings serve as "bridges," what system is responsible for applying the mapping to information from a source ontology to yield information in the target ontology? Doesn't this system necessarily require knowledge of both ontologies? rily require knowledge of both ontologies?
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