Towards a Multi-level Approach for the Maintenance of Semantic Annotations

Cardoso, S.
Proc. Healthinf

Semantic annotations are often used to enrich documents as clinical trials and
electronic health records. However, the usability of these annotations tends to decrease over
time due to the evolution of the domain ontologies. The maintenance of these annotations is
critical for tools that exploit them (eg, search engines and decision support systems) in order
to assure an acceptable level of performance. Despite the recent advances in ontology
evolution systems, the maintenance of semantic annotations remains an open problem. In

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