Automated Terminology Harmonization, Extraction and Normalization for Analytics - ATHENA
Preliminary analysis
Application Design
Preliminary analysis
Application Design
This is an old revision of the document!
The source SNOMED vocabulary can be acquired from SNOMED. Also, SNOMED is included in UMLS. Both of this resources are suggested to be used in the import process.
Local copy of the vocabulary will be used to extract the concepts, and the UMLS web API will be used for additional concept analysis. The advantages of this approach are:
We'll start from the basic import process, which will give additional knowledge about the process itself.
Each concept in the source dictionary can be:
In current scope, identification means that OMOP and UMLS already have info about current context. When the Concept is identified, it can be validated. Each Concept is described by its type, set of attributes and relations with other Concepts. During the validation process, we must compare the Source and UMLS Concepts description to OMOP. If the translation can be performed to both directions, without data integrity and validity violation, we can say that the Concept is valid.
To identify the Concept we must: