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应用科学学报 ›› 2005, Vol. 23 ›› Issue (5): 502-505.

• 论文 • 上一篇    下一篇

一种基于移动设备的图形化查询的实现

于立, 徐宏炳, 欧阳骞   

  1. 东南大学计算机科学与工程系, 江苏南京 210096
  • 收稿日期:2004-06-03 修回日期:2005-01-05 出版日期:2005-09-30 发布日期:2005-09-30
  • 作者简介:于立(1973-),男,江苏南通人,硕士生,E-mail:lichdaemon@163.com

A Map Query Implementation Based on Mobile Equipment

YU Li, XU Hong-bing, OU-yang Qian   

  1. Department of Computer Science and Engineering, Southeast University, Nanjing 210096, China
  • Received:2004-06-03 Revised:2005-01-05 Online:2005-09-30 Published:2005-09-30

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摘要： 提出基于移动设备的地图查询算法,定义了EGSQL查询语言,给出了EGSQL查询实现的标准流程.以公交路线查询为例说明了整个查询流程的实现.实际应用表明该体系具有良好的通用性和较高的查询效率.

关键词: 移动设备, 区域划分, 查询, EGSQL

Abstract: This paper presents a map query algorithm and defines a query language based on mobile equipment, termed the embed geography SQL (EGSQL).The standard flow of EGSQL is explained with an implementation in an application of bus query used in the system of Southeast University Swift DB, providing an indication of its effectiveness and potential for general uses.

Key words: block division, embed geography structual query language, query, mobile equipment

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