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ISPRS Int. J. Geo-Inf. 2018, 7(7), 277; https://doi.org/10.3390/ijgi7070277

Employing Incremental Outlines for OpenStreetMap Data Updating

1
School of Geography, South China Normal University, Guangzhou 510631, China
2
College of Geography and Environment, Shandong Normal University, Jinan 250300, China
3
National Geomatics Center of China, Beijing 100830, China
*
Authors to whom correspondence should be addressed.
Received: 23 April 2018 / Revised: 6 July 2018 / Accepted: 19 July 2018 / Published: 20 July 2018
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Abstract

The updating of changing information plays a significant role in ensuring the quality of OpenStreetMap, which is usually completed by mapping the whole changing objects with a high degree of uncertainty. The incremental object-based approach provides opportunities to reduce the unreliability of data, while challenges of data inaccuracy and redundancy remain. This paper provides an incremental outline-based approach for OpenStreetMap data updating to solve this issue. First, incremental outlines are delineated from the changed objects and distinguished through a spatial classification. Then, attribute information corresponding to incremental outlines is proposed to assist in describing the physical changes. Finally, through a geometric calculation based on both the spatial and attribute information, updating operations are constructed with a variety of rules to activate the data updating process. The proposed approach was verified by updating an area in the OpenStreetMap datasets. The result shows that the incremental outline-based updating approach can reduce both the time and storage costs compared to incremental objects and further improve data quality in the updating process. View Full-Text
Keywords: OpenStreetMap; updating; incremental outlines; incremental changes; spatial data OpenStreetMap; updating; incremental outlines; incremental changes; spatial data
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Xing, H.; Meng, Y.; Chen, J.; Song, J.; Fan, K. Employing Incremental Outlines for OpenStreetMap Data Updating. ISPRS Int. J. Geo-Inf. 2018, 7, 277.

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