Representing the UMLS as an OODB: Modeling Issues and Advantages

Objective: The Unified Medical Language System (UMLS) designed by NLM combines manywell established authoritative medical informatics terminologies in one knowledge representationsystem. Such a resource is very valuable to the healthcare community and industry. However,the UMLS is very large and complex and poses serious comprehension problems for users andmaintenance personnel. We present a representation to support the comprehension and navigationof the UMLS.Design: An...