4. The method of claim 2 , wherein, for at least two target entities in the subset of target entities, the entity type is identical, and wherein a unique instance identifier is assigned to each of the at least two target entities, and wherein the unique instance identifiers are included in the anonymized identifiers for the at least two target entities.
2. The method of claim 1 , wherein generating the anonymization dictionary further comprises, for each target entity in the subset of target entities: assigning an entity type of the target entity, wherein generating the anonymization identifier for each target entity comprises storing the entity type in the anonymized identifier.