The Unified Medical Language System® (UMLS ®), a project of the National Library of Medicine (NLM), regularly distributes a set of knowledge sources to the research community. These data are made available over the Internet through the UMLS Knowledge Source Server (UMLSKS). The new version of the UMLSKS is a complete redesign of the original system using Java and the Extensible Markup Language (XML) technologies to implement a fast, reliable, flexible, and extensible UMLS data retrieval system that includes an Application Programmer’s Interface (API) and an Object Model of each of the Knowledge Sources: the UMLS Metathesaurus, the Semantic Network, and the SPECIALIST Lexicon. In this paper we present the design of the new system, outline each of the system design goals, the UMLS Object Model, and statistics showing the usage of the new UMLSKS and associated data. We conclude with implications for future work.
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机译：国家医学图书馆（NLM）的项目Unified Medical LanguageSystem®（UMLS®）定期向研究社区分发一组知识资源。这些数据可通过UMLS知识源服务器（UMLSKS）通过Internet获得。 UMLSKS的新版本是对使用Java和可扩展标记语言（XML）技术的原始系统的完整重新设计，以实现快速，可靠，灵活和可扩展的UMLS数据检索系统，其中包括应用程序接口（API）和每个知识源的对象模型：UMLS元同义词库，语义网络和SPECIALIST词典。在本文中，我们介绍了新系统的设计，概述了每个系统的设计目标，UMLS对象模型以及显示新UMLSKS和相关数据使用情况的统计信息。我们以对未来工作的启示作为结论。
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