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http://dx.doi.org/10.3745/KIPSTD.2004.11D.1.039

A Specification of a Moving Objects Data Model and Query Language over GML  

Chung, Warn-Ill (인하대학교 대학원 전자계산공학과)
Bae, Hae-Young (인하대학교 전자계산공학과)
Publication Information
The KIPS Transactions:PartD / v.11D, no.1, 2004 , pp. 39-50 More about this Journal
Abstract
GML proposed to offer interoperability of geography information is specifying various dynamic object schema for application in the wireless environment. These GML dynamic object schema supports the expression of moving objects that the position and shape change consecutively over time, so practical use of GML is increased in location-based service that provides various application services based on location information of moving objects. In particular, the conventional query languages about GML have been studied with priority given to the integration of geographic information, the support of spatial operations, and etc. However, it lacks the support for moving objects queries. Therefore, in this paper, we propose the moving objects query language that supports moving objects queries for GML documents by extension of XQuery that is standard in query language. Also, data model, algebra operation and various moving objects operators for the proposed query language are designed, and we apply the proposed query language to tornado government organization system to show that the proposed query language can be used effectively in various location-based service.
Keywords
GML; Moving Objects Data Model; Moving Objects Query Language;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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