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计算机工程 ›› 2009, Vol. 35 ›› Issue (11): 26-28,3.doi: 10.3969/j.issn.1000-3428.2009.11.009

• 软件技术与数据库 • 上一篇    下一篇

XML压缩方法的比较分析

张 胜1,2，包晓玲2，舒 坚1，陈 莎1   

  1. (1. 南昌航空大学计算机学院，南昌 330063；2. 南昌航空大学无损检测技术教育部重点实验室，南昌 330063)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-06-05 发布日期:2009-06-05

Comparative Analysis of XML Compression Methods

ZHANG Sheng1,2, BAO Xiao-ling2, SHU Jian1, CHEN Sha1   

  1. (1. School of Computer Science and Technology, Nanchang Hangkong University, Nanchang 330063; 2. Key Laboratory of Nondestructive Test, Ministry of Education, Nanchang Hangkong University, Nanchang 330063)
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-06-05 Published:2009-06-05

PDF

1267

被引次数

8

摘要： 搜集近几年提出的各种XML压缩方法，比较、分析具有代表性的XML压缩技术。实验表明，XMill拥有出色的压缩率、较少的压缩与解压时间、较低的内存消耗，以及最优的平均压缩性能，但不支持对压缩文档的直接查询。XGRIND与XPRESS的压缩性能不如XMill，却能较好地支持对压缩文档的直接查询。总结XML压缩方法各自的优点和不足，并探讨未来努力的方向。

关键词: XML压缩, Web应用, 查询处理

Abstract: This paper collects multifarious XML-conscious compression methods which are proposed recently, compares and analyzes the state-of-the-art XML-conscious compression technologies. The result of experiment shows that XMill has the best compression ratio, less compression and decompression times, lower memory consume, and obtains the best even compression performance. But it does not support to query compressed document directly. On the other hand, the compression performance of XGRIND and PRESS are far worse than XMill, but they support to query compressed document directly. It points out their merits and deficiency, and discusses further works.

Key words: XML compression, Web application, query processing

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