Assessment of the Accuracy of GeoNames Gazetteer Data
Report
Dirk AhlersFollow
Feb. 26, 2014•0 likes•1,417 views
Assessment of the Accuracy of GeoNames Gazetteer Data
Feb. 26, 2014•0 likes•1,417 views
Report
Technology
Gazetteers are the basis of many geospatial applications and serve an important role to collect and make available knowledge about the physical world such as place names and their coordinates. GeoNames is one of the largest and most often used gazetteer and it is generally assumed to be of sufficient quality. In this paper, we examine the quality and accuracy of the data in more detail, triggered by some anomalies encountered during its use. We present a classification of inaccuracies ranging from grid patterns, imprecise coordinates, overlaps and repetitions as well as misclassifications and visualize these for a range of countries. Presentation of a paper at the GIR workshop. Full paper available from my homepage.
Dirk AhlersFollow
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Assessment of the Accuracy of GeoNames Gazetteer Data
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