Biomedical entity linking based on less labeled data

1 Introduction Biomedical entity linking aims to align the natural language entity to the knowledge base concept referring to the same real-world object.Recent solutions in the biomedical field focus on the embedding-based method to jointly model the texts and the knowledge graph into a multi-dimensional entity space.However,the task of a biomedical entity linking is still facing tough challenges:1)The ambiguity of natural language descriptions,including polysemy and abbreviation.