Optimized Spatial Query for Data Integration Based on Semantics-Reference-Cited by-同舟云学术

Optimized Spatial Query for Data Integration Based on Semantics

Published:2012-11 Issue: Volume:229-231 Page:1895-1899
ISSN:1662-7482
Container-title:Applied Mechanics and Materials
language:
Short-container-title:AMM

Author:

Qian Shen Yi¹,Zhu Hao Dong¹

Affiliation:

1. ZhengZhou University of Light Industry

Abstract

Data integration of geospatial data in distributed, heterogeneous environment involves the use of semantic ontologies. In this kind of integration system, semantic technologies play an important role in improving performance and effectiveness of spatial queries. This paper focuses on methods of query optimization based on spatial semantics at the top level of semantic layer in central data integration systems. After analyzing the hybrid approach for spatial data integration, two categories of query optimization strategies are proposed based on detailed examination of special characteristics of spatial data. With spatial knowledge explicitly specified in ontologies and associated rules, spatial queries can be optimized intelligently.

Publisher

Trans Tech Publications, Ltd.

Link

https://www.scientific.net/AMM.229-231.1895.pdf

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