Utilizing fuzzy set theory to assure the quality of volunteered geographic information

被引：14

作者：

Yan Y. ^{[1
]}

Feng C.-C. ^{[1
]}

Wang Y.-C. ^{[1
]}

机构：

[1] Department of Geography, 1 Arts Link, National University of Singapore, Singapore

来源：

GeoJournal | 2017年 / 82卷 / 03期

基金：

新加坡国家研究基金会;

关键词：

Data quality; Fuzzy system; Species surveillance; Volunteered geographic information;

D O I：

10.1007/s10708-016-9699-x

中图分类号：

学科分类号：

摘要：

This paper presents a fuzzy system to assure the quality of volunteered geographic information (VGI) collected for the purposes of species surveillances. The system uses trust as a proxy of quality. It defines the trust using both the provenance of user expertise and the fitness of geographic context and quantifies it using fuzzy set theory. The system was applied to a specific scenario—VGI-based crop pest surveillance—to demonstrate its usefulness in handling VGI quality. A case study was conducted in Jiangxi province of China, where location-based rice pest surveillance reports generated by the local farmers were collected. A field pest survey was conducted by the local pest management experts to verify the farmer-generated reports, and the survey results were used as ground truth data. The quality of the farmer-generated reports were also assessed through the fuzzy system and compared to the pest survey results. It was observed that the degree to which these two sets of results agreed to each other was satisfactory. © 2016, Springer Science+Business Media Dordrecht.

引用

页码：517 / 532

页数：15

共 55 条

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