【摘要】 研究了智能交通系统的信息共享问题,分析了数据字典、数据元和元数据在智能交通系统的区别和作用,提出国家智能交通系统数据元著录系统的建设是提高智能交通系统的开发效率,实现信息共享的有效手段。更多还原

【Abstract】 The paper analysis the data share between traffic management systems in China.And,to definite the differences of data dictionary,meta-data and data element. Proposing that the national ITS data element registry is the key method to realize the data share and to improve system development effectiveness in China.更多还原