This paper puts forward one technique for Relevance Feedback Based on Conceptual Graphs.We can make decision that two concepts are similarity from their semantic.

• 文章提出了一种基于概念图的相关反馈技术,采用概念图的知识表示方式描述概念之间关系,从语义的层次上进行相似度判断,扩展查询式。