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Fathi, Fatemeh, Hosseinali, Farhad, Khami, Sogand. (1405). Estimating the Quality of Areal OSM Data, A Case Study in Zanjan. , 9(2), 72-81. doi: 10.22059/eoge.2026.409787.1202
Fatemeh Fathi; Farhad Hosseinali; Sogand Khami. "Estimating the Quality of Areal OSM Data, A Case Study in Zanjan". , 9, 2, 1405, 72-81. doi: 10.22059/eoge.2026.409787.1202
Fathi, Fatemeh, Hosseinali, Farhad, Khami, Sogand. (1405). 'Estimating the Quality of Areal OSM Data, A Case Study in Zanjan', , 9(2), pp. 72-81. doi: 10.22059/eoge.2026.409787.1202
Fathi, Fatemeh, Hosseinali, Farhad, Khami, Sogand. Estimating the Quality of Areal OSM Data, A Case Study in Zanjan. , 1405; 9(2): 72-81. doi: 10.22059/eoge.2026.409787.1202

Estimating the Quality of Areal OSM Data, A Case Study in Zanjan

Earth Observation and Geomatics Engineering
دوره 9، شماره 2، اسفند 2025، صفحه 72-81    اصل مقاله (1018.88 K)
نوع مقاله: Original Article
شناسه دیجیتال (DOI): 10.22059/eoge.2026.409787.1202
نویسندگان
Fatemeh Fathi1؛ Farhad Hosseinali* 2؛ Sogand Khami1
1Shabanloo Street, Lavizan, Tehran, Iran
2Shahid Rajaee Teacher Training University
چکیده
The employment of digital maps has become a common tool and a widespread resource and an integral aspect of today's digital lifestyle. These maps are primarily created not through official sources but rather with the involvement of the users themselves, with OpenStreetMap (OSM) being a prominent example. However, the trustworthiness of these maps has always been a significant issue.
This study focuses on how accurate and complete OpenStreetMap (OSM) data is in the city of Zanjan by comparing it to high-resolution 1:2000 reference maps. Using methods like spatial similarity and weighted averages, this research discovered that while OSM data was generally reliable, there were noticeable differences depending on the part of the city.
The results revealed that in historical and deteriorated regions, the accuracy of the data was approximately 10% lower, and their completeness was about 35% less than in other areas. This highlights a key issue: Volunteered Geographic Information (VGI) often depends on where and who contributes to mapping.
Therefore, relying solely on volunteered data can lead to uneven quality across different urban zones. This study highlights the importance of taking local context into account when utilizing VGI and considers targeted efforts to offer users indicators of information quality as crucial.
کلیدواژه‌ها
OpenStreetMap؛ Data Quality؛ Volunteered Geographic Information؛ Zanjan
آمار
تعداد مشاهده مقاله: 83
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