Congener concept was introduced into the lattice union algorithm, which was used to update each child node in less time according to the order relation of the concepts.

• 摘要提出了同类概念的观点，在格的合并算法中通过利用同域概念格之间的同类概念和概念的父－子关系实现对其所有子节点的快速更新，以提高概念格横向合并算法的时间效率。