Text information extraction became a novel mechanism for knowledge mining from texts in Traditional Chinese Medicine (TCM) domain in recent years.We constructed an ontology-based text information extraction system for TCM domain.It can extract semantic relations from TCM texts,and support users to browse,analyze,and annotate these relations. This system can facilitate TCM experts to acquire knowledge from TCM documents, and further refine TCM domain ontologies.%近年来，文本信息抽取成为中医文献知识挖掘的一种新兴手段。构建了基于本体的中医文本信息抽取系统，它能从中医文献中提取领域概念及语义关系，并支持用户完成文本语义关系的检阅、分析和标注等工作。该系统能辅助中医专家从中医文献中挖掘知识，并进一步完善中医领域本体系统。
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