说明：  介绍了大数据时代自然语言处理的三个重要前沿及其进展 （1）基于深度学习的句子结构预测 （2）开放域信息抽取 （3）知识图谱
(Introduced three important frontier era of big data and progress in natural language processing (1) (2) open domain information extraction depth of sentence structure prediction based learning (3) Knowledge Mapping)