Design of application model for geospatial data clearinghouse

Pao Yue-kong Library Electronic Theses Database

Design of application model for geospatial data clearinghouse

 

Author: Chan, Ho-chiu Elton
Title: Design of application model for geospatial data clearinghouse
Degree: M.Phil.
Year: 2000
Subject: Geographic information systems
Metadata
Clearinghouses
Database management
Hong Kong Polytechnic University -- Dissertations
Department: Dept. of Land Surveying and Geo-Informatics
Pages: xii, 201 leaves : ill. ; 30 cm
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b1515359
URI: http://theses.lib.polyu.edu.hk/handle/200/4664
Abstract: Geospatial applications consist of procedures applied against a number of data sets. The task of developing geospatial applications is usually time-consuming and working in trial-and-error basis. Meanwhile, archived applications are difficult to be reused. From the GIS users viewpoint, they need to understand what it was created, what was the background logic, what data was involved in the analysis and so on. It can be made easier, much efficient and understandable if validated spatial analysis procedures and modeling solutions can be managed in a systematical way that the geospatial applications can be shared and reused. This study develops a geospatial application model for providing a logical and systematical way to describe geospatial application. The model consists of three components including application component, implementation component and spatial data component, which are organized in a tree hierarchy. To demonstrate the idea for the study, a documentation system was developed based on the application model with latest technologies such as Extensible Markup Language (XML), Document Object Model (DOM) and Java programming language.

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