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1 引言信息集成技术一直是企业为增强竞争而追寻的一种新的信息管理技术,而组件调度的思想也正来源于此。但伴随着Internet和虚拟企业的发展,传统的信息集成技术已不再能满足新的需求。传统集成方法一般归纳为两类:点对点转换方法和公共数据模型转换方法。点对点转换方法如图1(a)所示。系统要使用一些精确的转换规则或算法,将一个模型表示的模式转
1 INTRODUCTION Information integration technology has always been a new information management technology pursued by enterprises for enhancing competition. The idea of component scheduling is also derived from this. However, with the development of Internet and virtual enterprises, the traditional information integration technology can no longer meet the new needs. Traditional integration methods generally fall into two categories: point-to-point conversion method and public data model conversion method. Point-to-point conversion method shown in Figure 1 (a) below. The system uses some precise transformation rules or algorithms to turn a model representation of the model to a turn