BPEL Repository提供了一个通过面向对象的查询机制来存储任何XML数据并进行检索的机制。
BPEL Repository enables a mechanism for storing any XML data and retrieving this data through an object-oriented querying mechanism.
与使用XML表示的数据进行交互的第一步是把数据作为一个XML文件，对其进行检索并进行分解，以创建数据结构来接入该文件中的内容。
The first step in interacting with data represented as XML is to retrieve it as an XML document and parse it to yield a data structure for accessing the contents of the document.
本文介绍了基于纹理特征的特征提取方法和中心特征的提取方法，并进而提出了一种综合利用上述两个特征共同进行检索的方法。
In this paper, out methods for image retrieval using center and texture features are firstly discussed. Furthermore, a new method for image retrieval using combined center and texture is proposed.
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