Table 5 Description of the relationships annotated in the CS-A corpus.

From: A tree-based corpus annotated with Cyber-Syndrome, symptoms, and acupoints

Relationship

Description

Is_a

The relationship between a specific disease being one of the more general diseases

causes

The relationship between a sign or a symptom caused by a disease or a Cyber-Syndrome

Is_synon

The relationship between two different names designating the same disease4, Cyber-Syndrome, sign or Syndrome

Is_acron

The relationship between an acronym and full name of the disease or Cyber-Syndrome

Is_anaphora

The relationship between anaphor and its ancestors

treats

The relationship between the corresponding treatment symptom of the acupoint