基于XML元数据的研究与开发

XML(eXtensible Markup Language)可扩展标记语言是W3C组织于1998年2月发布的第二代Internet网页设计语言标准。XML的出现为Web应用注入了新的活力，其自定义标记语言的特点使标记更加灵活，语义明确。XML把显示格式从文档中分离出去，并使超链接属性具有自动跟踪功能。对XML元数据进行了相应的开发，创建和使用可搜索的元数据，使现有Web中的信息更加有用，可快速准确地获得所需数据，从而大大地提高了搜索引擎的效率。

Research and development of unit-data based on XML

XML (extensible markup language) was the standard of the second generation of internet web-design language, issued by W3C organization in feb. 1998. XML lends new vigor to web application and the feature of self-defined markup language makes the mark more flexible, more comprehensive. In addition, the most significant feature of XML is that it can separate the unhidden format from the file and it has the automatic searching function of hyperlink attribute. All of these create great advantage for the further development of XML. Creating and using unit-data searched can make the information existed in web more useful, so it makes people attain the unit-data need quickly and correctly and improves the efficiency of engine searching.