Theory and Algorithm of Concept Lattice Union

ZHI Hui-lai; ZHI Dong-jie; LIU Zong-tian

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Theory and Algorithm of Concept Lattice Union

更新时间：2025-07-16

- Theory and Algorithm of Concept Lattice Union
- Acta Electronica Sinica Vol. 38, Issue 2, Pages: 455-459(2010)
- 作者机构：
  
  1. 1.上海大学计算机工程与科学学院,上海,200072
  2. 河南理工大学计算机科学与技术学院,河南,焦作,454150
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP18
- Published：2010
- 稿件说明：
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ZHI Hui-lai, ZHI Dong-jie, LIU Zong-tian. Theory and Algorithm of Concept Lattice Union[J]. Acta Electronica Sinica, 2010, 38(2): 455-459.
DOI：

ZHI Hui-lai, ZHI Dong-jie, LIU Zong-tian. Theory and Algorithm of Concept Lattice Union[J]. Acta Electronica Sinica, 2010, 38(2): 455-459. DOI：

摘要

子形式背景可以进行纵向或横向合并得到一个新的形式背景，相反地，这个形式背景可以进行纵向或横向的拆分得到子形式背景。相应地，子概念格也可以进行合并，得到一个新的概念格。概念格合并无论是纵向合并还是横向合并，合并都不改变原有概念之间业已存在的父子关系。根据这个事实，结合概念格合并的定义，设计了概念格合并算法。这个算法充分利用原有概念格的结构，在原有概念格基础上对部分节点进行调整得到合并结果。这个算法与将一概念格中的概念插入到另一个概念格相比，实验和分析均表明效率明显提高，适合概念格的合并运算。

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