For data-oriented XML documents, the target is usually the data format of a DBMS or an in-memory representation by an application that reads XML files.
对于面向数据的XML文档，目标一般是DBMS数据格式或读取XML文件的应用程序提供的内存表示。
The Semantic Web in Linked Data format is a perfect way to represent knowledge on the Web because the object-oriented model is simple to understand.
Linked data格式的语义Web是在Web上呈现知识的理想方式，原因是面向对象的模型很容易理解。
This paper deals with the introduction of join operation into object-oriented data model, including its format, characteristics and implementation.
本文讨论了如何在面向对象模型中引入连接操作，包括其形式、特点和实现方面。
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