A fast dictionary-based approach for semantic annotation / entity linking.
IAMsystem is efficient at annotating documents with large dictionaries and approximate string matching algorithms.
Description of the system can be found in the following paper : "Cossin S, Jouhet V, Mougin F, Diallo G and Thiessard F. IAM at CLEF eHealth 2018: Concept Annotation and Coding in French Death Certificates. CEUR-WS. September 2018"