MACCROBAT

This ZIP-compressed file contains 200 source documents (in plain text, on sentence per line) and 200 annotation documents (in brat standoff format). Documents are named using PubMed document IDs, e.g. "15939911.txt" contains text from the document "A young man with palpitations and Ebstein's anomaly of the tricuspid valve" by Marcu and Donohue. Text is from PubMed Central full-text documents but has been edited to include only clinical case report details. All annotations were created manually."MACCROBAT2020" is the second release of this dataset, following "MACCROBAT2018". The consistency and format of annotations has been improved in the newest version.本ZIP压缩包内含200份源文档与200份标注文档：源文档采用纯文本格式，每行存储一个句子；标注文档采用brat standoff标注格式（brat standoff format）。所有文档均以PubMed文献ID命名，例如文件"15939911.txt"的内容源自Marcu与Donohue所著的《一名伴有心悸与三尖瓣埃布斯坦畸形（Ebstein's anomaly）的年轻男子》。文本源自PubMed Central全文文献，但已被编辑以仅保留临床病例报告相关细节。所有标注均由人工完成。本数据集的第二版为MACCROBAT2020，其前序版本为MACCROBAT2018。最新版本优化了标注的一致性与格式规范。