Information extraction can identify names, dates, and places in a news article. 信息抽取可以在一篇新闻文章中识别姓名、日期和地点。
By combining information extraction with machine learning, the system builds a database of companies and their relationships from thousands of documents. 通过将信息抽取与机器学习结合,该系统能从成千上万份文档中建立公司及其关系的数据库。