Medical information is communicated between different entities. Personalized models of peoples' understanding of a medical field are created. Role information is used to create the personalized model. More information than mere role may be used for at least one of the personalized models, such as information on past medical history. The personalized models link to various subsets of base medical ontologies for one or more medical subjects. The concepts and relationships in these ontologies formed by the linking may be matched, providing a translation from one personalized model to another. The terminology with similar or the same concepts and/or relationships is output for a given user based on their model.