A Spatio-Temporal VGI Model Considering Trust-Related Information
Over the past several years, volunteered geographic information (VGI) has expanded rapidly. VGI collection has been proven to serve as a highly successful means of acquiring timely and detailed global spatial data. However, VGI includes several special properties. For example, the contributor’s repu...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2016-02-01
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| Series: | ISPRS International Journal of Geo-Information |
| Subjects: | |
| Online Access: | http://www.mdpi.com/2220-9964/5/2/10 |
| _version_ | 1811262982115557376 |
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| author | Yijiang Zhao Xiaoguang Zhou Guangqiang Li Hanfa Xing |
| author_facet | Yijiang Zhao Xiaoguang Zhou Guangqiang Li Hanfa Xing |
| author_sort | Yijiang Zhao |
| collection | DOAJ |
| description | Over the past several years, volunteered geographic information (VGI) has expanded rapidly. VGI collection has been proven to serve as a highly successful means of acquiring timely and detailed global spatial data. However, VGI includes several special properties. For example, the contributor’s reputation affects the quality of objects edited, and a geographic object may have multiple versions. The existing spatio-temporal data model cannot describe the unique properties of VGI. Therefore, a spatio-temporal VGI model considering trust-related information is presented in this paper. In this model, central elements of the VGI environment, e.g., geographic entity, entity state, state version, contributor, reputation, geographic event, and edit event, and their interaction mechanisms are analysed. Major VGI objects and relations are determined using the object-oriented method and trust-related operations, and their relationships are analysed, and nine linkage rules among trust-related operations are found to maintain the consistency of corresponding data. A prototype system for the spatio-temporal VGI model is presented, and the effectiveness of the model is verified. |
| first_indexed | 2024-04-12T19:36:45Z |
| format | Article |
| id | doaj.art-b84e188888cb4541963d359172b8b939 |
| institution | Directory Open Access Journal |
| issn | 2220-9964 |
| language | English |
| last_indexed | 2024-04-12T19:36:45Z |
| publishDate | 2016-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | ISPRS International Journal of Geo-Information |
| spelling | doaj.art-b84e188888cb4541963d359172b8b9392022-12-22T03:19:11ZengMDPI AGISPRS International Journal of Geo-Information2220-99642016-02-01521010.3390/ijgi5020010ijgi5020010A Spatio-Temporal VGI Model Considering Trust-Related InformationYijiang Zhao0Xiaoguang Zhou1Guangqiang Li2Hanfa Xing3School of Geosciences and Info-physics, Central South University, Changsha 410083, ChinaSchool of Geosciences and Info-physics, Central South University, Changsha 410083, ChinaSchool of Geosciences and Info-physics, Central South University, Changsha 410083, ChinaCollege of Geography and Environment, Shandong Normal University, Jinan 250014, ChinaOver the past several years, volunteered geographic information (VGI) has expanded rapidly. VGI collection has been proven to serve as a highly successful means of acquiring timely and detailed global spatial data. However, VGI includes several special properties. For example, the contributor’s reputation affects the quality of objects edited, and a geographic object may have multiple versions. The existing spatio-temporal data model cannot describe the unique properties of VGI. Therefore, a spatio-temporal VGI model considering trust-related information is presented in this paper. In this model, central elements of the VGI environment, e.g., geographic entity, entity state, state version, contributor, reputation, geographic event, and edit event, and their interaction mechanisms are analysed. Major VGI objects and relations are determined using the object-oriented method and trust-related operations, and their relationships are analysed, and nine linkage rules among trust-related operations are found to maintain the consistency of corresponding data. A prototype system for the spatio-temporal VGI model is presented, and the effectiveness of the model is verified.http://www.mdpi.com/2220-9964/5/2/10GISVGIspatio-temporal modelreputationtrustoperation |
| spellingShingle | Yijiang Zhao Xiaoguang Zhou Guangqiang Li Hanfa Xing A Spatio-Temporal VGI Model Considering Trust-Related Information ISPRS International Journal of Geo-Information GIS VGI spatio-temporal model reputation trust operation |
| title | A Spatio-Temporal VGI Model Considering Trust-Related Information |
| title_full | A Spatio-Temporal VGI Model Considering Trust-Related Information |
| title_fullStr | A Spatio-Temporal VGI Model Considering Trust-Related Information |
| title_full_unstemmed | A Spatio-Temporal VGI Model Considering Trust-Related Information |
| title_short | A Spatio-Temporal VGI Model Considering Trust-Related Information |
| title_sort | spatio temporal vgi model considering trust related information |
| topic | GIS VGI spatio-temporal model reputation trust operation |
| url | http://www.mdpi.com/2220-9964/5/2/10 |
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