Construction and Application of a Knowledge Graph

被引：87

作者：

Hao, Xuejie ^{[1
]}

Ji, Zheng ^{[2
]}

Li, Xiuhong ^{[1
]}

Yin, Lizeyan ^{[3
]}

Liu, Lu ^{[1
]}

Sun, Meiying ^{[1
]}

Liu, Qiang ^{[1
]}

Yang, Rongjin ^{[4
]}

机构：

[1] Beijing Normal Univ, Coll Global Change & Earth Syst Sci, Beijing 100875, Peoples R China

[2] Wuhan Univ, Sch Remote Sensing & Informat Engn, Wuhan 430079, Peoples R China

[3] Clermont Auvergne Univ, Inst Comp Modeling & Their Applicat, F-63000 Clermont Ferrand, France

[4] Chinese Res Inst Environm Sci, 8 Da Yang Fang, Beijing 100012, Peoples R China

来源：

REMOTE SENSING | 2021年 / 13卷 / 13期

基金：

中国国家自然科学基金;

关键词：

knowledge graph; surveying; remote sensing; knowledge visualization;

D O I：

10.3390/rs13132511

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

With the development and improvement of modern surveying and remote-sensing technology, data in the fields of surveying and remote sensing have grown rapidly. Due to the characteristics of large-scale, heterogeneous and diverse surveys and the loose organization of surveying and remote-sensing data, effectively obtaining information and knowledge from data can be difficult. Therefore, this paper proposes a method of using ontology for heterogeneous data integration. Based on the heterogeneous, decentralized, and dynamic updates of large surveying and remote-sensing data, this paper constructs a knowledge graph for surveying and remote-sensing applications. First, data are extracted. Second, using the ontology editing tool Protege, a knowledge graph mode level is constructed. Then, using a relational database, data are stored, and a D2RQ tool maps the data from the mode level's ontology to the data layer. Then, using the D2RQ tool, a SPARQL protocol and resource description framework query language (SPARQL) endpoint service is used to describe functions such as query and reasoning of the knowledge graph. The graph database is then used to display the knowledge graph. Finally, the knowledge graph is used to describe the correlation between the fields of surveying and remote sensing.

引用

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