云环境下图数据库建模技术及其应用研究

Study on application of modeling technology of graph database on cloud environment

针对云环境下传统关系型数据库在大数据库建模方面存在的问题,描述了一种全新的能适应云计算环境建模的图数据库,定义了图数据库模型的基本概念,给出了图数据库建模元素及组织形式,在关系型数据库概念模型建模理论及方法的基础上提出了图数据库建模的若干规则和方法。以图数据库Neo4j为例,详细描述了现代物料入库管理图数据库的建模过程,并应用Cypher语言实现了该系统模型的增加、删除、更改、查询及统计功能。实践结果表明,图数据库建模技术能使构造的模型语义表达更丰富,更具简易性和可扩展性等优点,对开发基于图模型的智能管理信息系统能够提供一定的参考依据。

Aiming at the modeling shortcomings of traditional relational database in big data environment,this paper described a kind of brand-new graph database which could adapt to model in cloud computing environment,defined the basic concept of graph database model,gave the modeling elements and forms of organization. It proposed a number of modeling rules and methods of graph database based on the theory and method of conceptual model of relational database. Took the graph database Neo4 j as an example,described the process of graph database modeling of warehousing management information system（ WMIS） in detail. In addition,it realized the insert,delete,update,query and count operations of WMIS by using Cypher language. Practice results show that the model structured by graph database technology has rich semantic expression,more simplicity and scalability. It can provide a reference for users to develop intelligent application system based on graph model.