摘要： 7.5Named Entity Recognition 命名实体识别 At the start of this chapter, we briefly introduced named entities (NEs). Named entities are definite（确定的） noun phrases that refer to specific types of individuals, such as organizations, persons, dates, and so on（命名实体是明确的名词短语，指的是个体的具体类型，例如组织，个人，日期等等）. Table 7.4 l. 阅读全文