The sharing and exchange of product information is the principal question in the fields of the CIM, CE and VE. Especially, how to realize the sharing and exchange of product information over the Internet becomes a focus of research.

• 产品信息交换与共享的研究一直是计算机集成制造CIM、并行工程CE以及虚拟企业VE需要解决的首要问题，尤其是在分布式企业的异构环境下如何实现产品信息网上交换与共享已成为当前研究的热点。