Querying temporal variable transportation data stream based on extended XQuery engine

Zhiming Gui; Husheng Liao

doi:10.1117/12.760457

25 July 2007 Querying temporal variable transportation data stream based on extended XQuery engine

Zhiming Gui, Husheng Liao

Proceedings Volume 6753, Geoinformatics 2007: Geospatial Information Science; 675305 (2007) https://doi.org/10.1117/12.760457
Event: Geoinformatics 2007, 2007, Nanjing, China

Abstract

Query processing of XML data stream is one of the hottest issues in database research area. However, most of the popular methods on processing the XML data stream can not handle the continuous query which contains spatial-temporal queries. While the tremendous increase in the use of road-side sensors in transportation application area, the transportation data information gathered as data stream are pervasive. Deploy a processor specifically for continuous query on dynamic transportation information is important. In this paper, we present a continuous query method on processing dynamic transportation information modeled by XML/GML. It first explores how the spatial-temporal aspect of dynamic transportation information can be described by XML/GML document, and then proposes a simple method on incorporating the spatial-temporal functions into the commercial XQuery engine. Furthermore, we integrate the extended XQuery engine with the SAX processor to handle the spatial-temporal queries on XML data stream. How the method can be used in querying the transportation data stream is also given at the end.

Citation Download Citation

Zhiming Gui and Husheng Liao "Querying temporal variable transportation data stream based on extended XQuery engine", Proc. SPIE 6753, Geoinformatics 2007: Geospatial Information Science, 675305 (25 July 2007); https://doi.org/10.1117/12.760457

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