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http://dx.doi.org/10.3745/KIPSTD.2003.10D.1.045

A Data Model for Past and Future Location Process of Moving Objects  

Jang, Seung-Youn (충북대학교 대학원 전자계산학과)
Ahn, Yoon-Ae (충북대학교 대학원 전자계산학과)
Ryu, Keun-Ho (충북대학교 전기전자및컴퓨터공학부)
Publication Information
The KIPS Transactions:PartD / v.10D, no.1, 2003 , pp. 45-56 More about this Journal
Abstract
In the wireless environment, according to the development of technology, which is able to obtain location information of spatiotemporal moving object, the various application systems are developed such as vehicle tracking system, forest fire management system and digital battle field system. These application systems need the data model, which is able to represent and process the continuous change of moving object. However, if moving objects are expressed by a relational model, there is a problem which is not able to store all location information that changed per every time. Also, existing data models of moving object have a week point, which constrain the query time to the time that is managed in the database such as past or current and near future. Therefore, in this paper, we propose a data model, which is able to not only express the continuous movement of moving point and moving region but also process the operation at all query time by using shape-change process and location determination functions for past and future. In addition, we apply the proposed model to forest fire management system and evaluate the validity through the implementation result.
Keywords
Moving object; Spatiotemporal data model; Location determination function; Spatiotemporal database;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
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