本文没有详细介绍实例中用到的所有技术，但如果您想要了解更多，那么参考资料中引用的一些文章介绍了它们。
This article does not cover the details of each of the technologies used in the examples, but there are several articles cited in Resources that describe each of them if you want to learn more.
作为一个例子，本文所附的ZIP文件(请参阅下载)包含对DocBook的定制，允许DocBook图书和文章通过引用导入DITA内容。
As an example, the attached ZIP file (see Download) contains a customization for DocBook to allow DocBook books and articles to import DITA content by reference.
本文应用一篇文章的被引用信息提出了文献的“重要性”的概念，并将它应用到基于内容的检索结果的排序中。
On the basis of the frequency one article is quoted, we propose the concept importance of document and apply it to the ordering of retrieval results based on content.
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