[{"title":"( 3 个子文件 729KB ) Conll-2003 数据集:第一列是单词,第二列是词性,第三列是语法,第四列是实体标签。在NER任务中,只关心一和四列。","children":[{"title":"Conll-2003","children":[{"title":"test.txt <span style='color:#111;'> 725.60KB </span>","children":null,"spread":false},{"title":"train.txt <span style='color:#111;'> 3.11MB </span>","children":null,"spread":false},{"title":"dev.txt <span style='color:#111;'> 803.41KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]