关键词: 数字资源, 知识单元, 知识解构, 知识重构, 受控标引

Abstract: Aiming at the deficiency of literature retrieval, this paper proposed a knowledge retrieval based on knowledge unit. In order to clearly illustrate the specific implementation process of knowledge unit retrieval, it designed a knowledge deconstruction and reconstruction system of digital literature resource, and then elaborated the knowledge deconstruction, organization and reconstruction of digital literature resource combining with this system.

Key words: digital resource