摘要
讨论关系的提升问题,提出了超关系的概念,并讨论了其基本性质,以及超关系与底层关系的联系.
We discuss the upgrade problem for relation and then, introduce the concept of hyperrelations. Some basic properties of the hyperrelation and the relationship between the hyperrelation and the base relation are considered.
出处
《河北工学院学报》
1995年第1期41-45,共5页
Journal of Hubei Polytechnic University