The purpose of the entity matching service is to enable matching in a single list of patients, health workers, facilities or other entities or to find potential matches between two lists of entities.
Potential use cases might include:
1) Ensuring the the entity doesn't exist when entering a new instance of the entity
2)
High Level Overview of Mapping Service Components
FHIR Reference
Matching Engine
Interfaces
Different interfaces will be created to instantiate different use cases.