context: n.1.上下文;文章的前后关系[脉络]。2.(事情等的)关节,范围,场合,处境,条件;来龙去脉。短语和例子tell the meaning of a word from its context从一个字的上文下推知其字义。 in one context 在一定场合,在某一范围内。 in the context of 在…情况下。 in this context 关于这一点,在
These concepts have an impact on the result of keyword extraction system . the paper brings forward a key concept extraction technique based on the mutual information and context dependency 从常用的n元语法入手,分析该方法存在的问题? ? n元截断效应,提出了一种基于上下文和互信息的关键概念提取方法。