大型临床术语集的变化率：使用SNOMED临床术语的三年经验
Rates of change in a large clinical terminology: three years experience with SNOMED Clinical Terms.
作者信息
Spackman Kent A
机构信息
Oregon Health & Science University, Portland, OR, USA.
出版信息
AMIA Annu Symp Proc. 2005;2005:714-8.
The Systematized Nomenclature of Medicine, Clinical Terms (SNOMED CT) was produced by merging SNOMED Reference Terminology (RT) with Clinical Terms version 3 (CTV3). It was first released in January 2002. This paper summarizes the overall size of the terminology and its rates of change over a period of three calendar years, comprising six subsequent releases each occurring at six month intervals. Rates of change in raw table size are reported for the concepts, descriptions, and relationships tables. Other measures of change are the number of identifiers made inactive and the reasons for this, as well as the number and rate of changes in the subsumption hierarchies and defining relationships. Awareness of the rate of change in the terminology can help terminology developers focus attention on needed infrastructure support and capacity for handling updates and refinements, and can help application developers by highlighting the need for managing terminology change in applications.
医学系统命名法临床术语（SNOMED CT）是通过将SNOMED参考术语（RT）与临床术语第3版（CTV3）合并而产生的。它于2002年1月首次发布。本文总结了该术语的总体规模及其在三个日历年中的变化率，这三个日历年包括随后的六次发布，每次发布间隔六个月。报告了概念表、描述表和关系表原始表大小的变化率。其他变化度量包括停用标识符的数量及其原因，以及包含层次结构和定义关系的变化数量和变化率。了解术语的变化率可以帮助术语开发者将注意力集中在所需的基础设施支持和处理更新与完善的能力上，并且通过突出应用程序中管理术语变化的必要性来帮助应用程序开发者。
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