Dynamical Component Integration Approach for the Development of Internet GIS and Its Performance Improvement

文献类型： 外文期刊

第一作者： Jing, Tan

作者： Jing, Tan;Baiping, Zhang;Li, Wan

作者机构：

关键词： Geographic Information System(GIS);Internet GIS;distributed components;hierarchical architecture;load balancing;multi-thread

期刊名称：2008 11TH IEEE SINGAPORE INTERNATIONAL CONFERENCE ON COMMUNICATION SYSTEMS (ICCS), VOLS 1-3

ISSN：

年卷期： 2008 年

页码：

收录情况： SCI

摘要： Internet GIS is the cyber-infrastructure framework for geographic information services utilizing both wired and wireless Internet to access geographic data and spatial analytical tools. It has been developed and used extensively in many real-world applications. However, communities lacking of resource and expertise are denied due to its cost and technical complexity. Also users requiring tailored functions can not be satisfied for commercial software's closed architecture. To overcome these problems this paper offers a novel approach based on dynamical integrated components (DIC). The backbone of this approach is that integrating GIS functionary components into client application at run-time according to user's demand using a mechanism of describing and interpreting components. Details of working mechanism and technical implementation of the approach are discussed. To validate feasibility of the approach a prototype system is developed. Main components of the prototype are explained. Also several performance improving techniques including multithreading techniques and load-balancing are proposed to enhance practicability of the prototype system.

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