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


Vol. 11,  No. 1, pp. 39-50, Feb.  2004
10.3745/KIPSTD.2004.11.1.39


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  Abstract

GML proposed to offer inteoperability 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 XML 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.

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[IEEE Style]

J. W. Il and B. H. Yeong, "A Specification of a Moving Objects Data Model and Query Language over GML," The KIPS Transactions:PartD, vol. 11, no. 1, pp. 39-50, 2004. DOI: 10.3745/KIPSTD.2004.11.1.39.

[ACM Style]

Jeong Won Il and Bae Hae Yeong. 2004. A Specification of a Moving Objects Data Model and Query Language over GML. The KIPS Transactions:PartD, 11, 1, (2004), 39-50. DOI: 10.3745/KIPSTD.2004.11.1.39.

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