A categorical representation of algebraic domains based on variations of rough approximable concepts

A categorical representation of algebraic domains based on variations of rough approximable concepts
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基于粗略近似概念变化的代数域的分类表示

DOI:
10.1016/j.ijar.2013.09.008
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发表时间:
2014-03
影响因子:
3.9
通讯作者:
Mengqiao Huang
Mengqiao Huang
中科院分区:
计算机科学2区
文献类型:
--
作者:
Lankun Guo;Qingguo Li;Mengqiao Huang

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在本文中,我们提出了两个变化的粗糙近似概念,并研究了相关的概念层次的序理论性质。我们首先证明了每个粗糙伪概念层次是一个完全分配格,其完全紧元素正是由各个属性生成的粗糙伪概念。接下来,我们提出了超上下文和超概念的概念,并证明了它们提供了一种方法来重组代数域。最后,我们把超上下文定义为一个范畴,在这个范畴中,超映射充当态射。事实证明,这个范畴与代数域的范畴是完全等价的。
In this paper, we propose two variations of rough approximable concepts and investigate the order-theoretic properties of the associated concept hierarchies. We first show that every rough pseudo-concept hierarchy is a completely distributive lattice and its completely compact elements are exactly the rough pseudo-concepts generated from individual attributes. Next, we propose the notions of hyper-contexts and hyper-concepts, and prove that they provide an approach to restructuring algebraic domains. Finally, we set hyper-contexts into a category in which hyper-mappings serve as the morphisms. It turns out that this category is precisely equivalent to that of algebraic domains.
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