理学 自动问答技术 释 knowledge extraction 知识抽取 把蕴含于信息源中的知识经过识别、理解、筛选、归纳等过程抽取出来，存储形成知识元库。
人工智能 知识工程 释文 knowledge extraction 知识提取
- regional style
- regional substation
- regional succession
- regional synergetic theory，Theory of regional cooperation
- Regional system of petroleum industry in Suez Cairo and Alexandria
- regional technology system of agricultural adaptation
- regional test of grass varieties
- regional test of variety
- regional trade agreements
- regional trade agreement，RTA
- regional traffic signal system control
- regional unbalanced growth
- regional variety
- Regional Warning Center
- regional worst weed
- regional zoning centering the capital
- region assessment
- region atlas
- region-based high-dimensional data visualization method
- region-based method
- region connection calculus
- region connection calculus, RCC
- region ecological restoration
- region estimation
- region filling