UMLS共现概念判定方法研究

摘要

The paper analyzes the basic situations of co-occurrence concepts in UMLS from the aspects of external data sources, statistical units,storage and record description,elaborates the characteristics from the aspects of co-occurrence type,co-occurrence property,the direction of co-occurrence concepts.Based on the above it discusses the determination method of co-occurrence concepts as well as their practical application.%从外部数据源、统计分析单元、存储和记录描述几方面分析UMLS共现概念的基本情况,从共现类型、共现属性、共现概念的方向性几方面阐明其特点,在此基础上探讨其共现概念的判定方法及实际应用。