Qing'an Yao

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Entity-Relationship ideas are commonly used to characterize and design information systems. They use the entity-relationship diagram to display the objects of the system and relationships among them. But the diagram model is not called in running by the program, at the same time entity-attributes belong to a specific entity and is a local definition.(More)
A Culture Heuristic Evolutionary Programming (CHEP) method is proposed in this paper. Method CHEP evolves both on the culture space and the population space. When this method is used to slove constrained optimization problems, the constraints are described as knowledge in belief space, and guide to search in population space. Test shows the validity and(More)
This paper researches on the network configuration of digital campus, as well as the effect on digital campus construction caused by on-demand learning style. Analyzes the target of digital learning, resources expression and service development. Constructs the model of Campus Digital Learning Hub(CDLH) platform including uniform identity recognition and(More)
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