The medical domain is characterized by the frequent new changes in terms of new treatments, new clinical findings. There is a necessity to maintain the medical ontology that is used in the healthcare enterprises to present the updated information to the patient, physician and other healthcare personnel. Challenges that face the evolution of the ontology are the consistency during the evolution process and the automation of the evolution process that doesn’t rely on the intervention of the user. Furthermore, the medical ontology lacks from the use of the unified standardized medical concepts. This paper presents a new approach that executes evolution in an automated way which ensures the ontology consistency. The proposed automated ontology evolution system is applied on the prior researched medical ontology evolution system. Moreover, the scientific standardized term is used instead of the commercial or localized term.
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