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Abstract:
Object-oriented database systems provide an approach to representing and
manipulating product information, which has received wide attention for
science and engineering applications. However ,it still needs a period
before attaining application. The object layer model is an alternative
approach that builds on the relational data model to define complex
entities. The characteristic of product data is discussed.
Object-oriented layer product structural informational model
representation is presented, e. g. product configuration management,
data access control management and version management. Based on the
aspect of product data model, an effective storing and retrieving method
is given.
Key words:
Product
data management Product structure management Product
configuration management Version management Object-oriented
technology
CLC No: TP391
国家“863/CIMS”工程应用成果推广项目、国家自然科学基金项目和国家“863”基础研究课题资助项目. Received 19991230,
received in revised form 20000802
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