Journal of Computer Applications

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Study and implementation of searching technology based on SVG standard

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  • Received:2007-01-17 Revised:1900-01-01 Online:2020-05-11 Published:2007-07-01
  • Contact: Peng Wang

基于SVG搜索技术的研究与实现

王鹏 李岩 史婷婷   

  1. 华南师范大学计算机学院空间信息研究中心311室 华南师范大学间信息技术与应用研究中心 华南师范大学间信息技术与应用研究中心
  • 通讯作者: 王鹏

Abstract: In practice terms, it is impossible to avoid a great deal of spatial data processing when publishing with SVG document through Internet. Therefore, it not only slows down the executing speed but also expend too much the resource of computer system when searching the spatial data in SVG document. It was proposed to store the SVG document into ORDBMS, and to use the extended SQL (SQL3/SQL99) to make searching. At the same time, another storing and searching method based on native XML database (NXD) was also executed, using XQuery language for searching approach. The results show that both of SVG searching methods of database are very efficient and take less system resources than publishing the document directly on client side.

Key words: SVG, XML enable database (XED), native XML database (NXD), SQL3/SQL99, XQuery

摘要: 在将SVG文档存入对象关系型数据库后,探讨了如何利用扩展SQL语句(SQL3/SQL99)进行搜索的方法;同时,讨论了将SVG文档存入本源数据库后,利用XQuery语句搜索的方法。研究表明,基于这两种数据库的SVG搜索,均可在客户端执行时大大提高搜索速度,且不需占用过多的系统资源。

关键词: SVG, 可支持XML存储的数据库, 本源数据库, SQL3/SQL99, XQuery