摘要
根据集值映射的思想,把可拓集及物元等概念向幂集上提升,给出了广义可拓集的定义,并提出了物元图和物元信息模型,指出了它们在计算机科学中的应用前景。
Based on the idea of setvaluemap, concepts of extension set and matter element have been upgraded to power set, and the definition of general extension set is given. Matter elements graph and information model of matter elements have been introduced. Their applications in computer science are promising.
出处
《系统工程理论与实践》
EI
CSCD
北大核心
1998年第1期93-96,共4页
Systems Engineering-Theory & Practice
基金
北京市软科学研究基金
关键词
集值映射
物元
E-R图
信息模型
可拓集合
集合论
setvaluemap, matter element, extension set, E-R graph, information model of matter element