“…The medical domain is where the majority of the research and development of annotation tools based on ontologies takes place. The annotation method with a crowdsourcing approach to medical data produces a knowledge base for mental health literature, segmentation of cellular biology images, and the retrieval process of electronic medical records [13]- [15]. Annotation tools have also been developed for labeling multimedia data [16], [17] with the help of a previously trained semantic ontology.…”