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XML Schema Based Compression Technology over XML Data Stream

机译：基于XML数据流的基于XML模式的压缩技术

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摘要

As XML has become the standard of data exchange and express of internet and e-commerce, it is being more and more widely used, while XML is a kind of self-described language, with a large number of redundant structural information, so that is the hot study now on how to use XML data stream to be reasonable and efficient. The existing compression techniques of XML require two-pass scan on data, which is not suitable for the data stream. In this paper, a new compression technology method is proposed to compress and decompress XML data stream, which first get the structure data through analyzing and parsing the XML Schema, then encode it with dynamic Huffman encoding, and finally complete the compression and decompression of XML data stream on real time. Experimental results show that this algorithm in the data compression ratio and time of compression is superior to the traditional algorithm.
机译：由于XML已成为互联网和电子商务的数据交换和表达的标准，因此XML是一种自我描述的语言，具有大量冗余结构信息，因此现在热门研究如何使用XML数据流来合理且有效。 XML的现有压缩技术需要对数据进行双通扫描，这不适合数据流。在本文中，提出了一种新的压缩技术方法来压缩和解压缩XML数据流，该数据流首先通过分析和解析XML模式来获得结构数据，然后用动态霍夫曼编码对其进行编码，最后完成XML的压缩和解压缩数据流实时。实验结果表明，该算法在数据压缩比和压缩时间中优于传统算法。

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