实际上，早在二十多年前就出现了基于VAN(增值网络)的EDI(电子数据交换)系统。
Actually, about twenty years ago, EDI (Electronic Data Interchange) system based on VAN (Value-Added Network) was present.
针对该问题，给出了一种基于SAML的安全数据交换服务和基于该服务的面向企业应用协作的协同电子商务安全服务系统。
In this paper, the authors present a new SAML-based security information exchange service and a cooperative e-Commerce security service system for enterprise application integration.
本文讨论电子政务中基于XML的空间数据交换格式的设计目标、遵循原则、数据模型和矢量数据交换格式中的关键点。
This paper discusses the designed target, followed rules, data models and key points about spatial data exchange format which is based XML and will be used in electronic government.
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