Precision medicine corpus annotation in liver neoplasms / 军事医学

Objective To construct a high-quality precision medicine corpus in liver neoplams and to alleviate the shortage of biomedical corpora .Methods Initial corpus annotation guideline were drafted according to current biomedical corpora, and the guidelines were gradually revised through pre-annotation using Brat tool before formal annotation of the named entities and the relations was started .Results The corpus annotation of 210 abstracts was completed , including 10045 named entities and 2489 semantic relations .Conclusion A high-quality precision medicine corpus in liver neoplasmis made available and the annotation guidelines are formulated .