说明：主要集中在命名实体识别和实体关系抽取两个方面，将先进的机器学习算 法和全新的理论方法一全信息理论运用到我们的整个研究过程中。-Descr iption: The main focus on named entity recognition and entity extraction between the two aspects of advanced machine learning algorithms and new theoretical methods of informat