SLIDE资料：重新认识应用系统的集成基础——数据模型（DATA MODEL）

Revisionist Thinking on Data Models
We have revised our prior thinking on the suitability of data models as the foundation for application development - especially in light of corporate propensities to purchase application packages that come with underlying proprietary, detailed data models (e.g., i2, Oracle, SAP, Siebel). Clearly, enterprises are using such centers of gravity out of necessity as they extend the business functionality of these major package investments.