Towards maintaining consistency of spatial databases
CIKM '97 Proceedings of the sixth international conference on Information and knowledge management
Core Elements of Digital Gazetteers: Placenames, Categories, and Footprints
ECDL '00 Proceedings of the 4th European Conference on Research and Advanced Technology for Digital Libraries
Exploiting online sources to accurately geocode addresses
Proceedings of the 12th annual ACM international workshop on Geographic information systems
The Role of Gazetteers in Geographic Knowledge Discovery on the Web
LA-WEB '05 Proceedings of the Third Latin American Web Congress
Spatial autocorrelation and toponym ambiguity
Proceedings of the 2nd international workshop on Geographic information retrieval
Lo mejor de dos idiomas: cross-lingual linkage of geotagged wikipedia articles
ECIR'13 Proceedings of the 35th European conference on Advances in Information Retrieval
Multi-source Conflating Index Construction for Local Search in a Low-Coverage Country
LA-WEB '12 Proceedings of the 2012 Eighth Latin American Web Congress
A study on the accuracy of Flickr's geotag data
Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval
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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. We finally give an outlook into potential corrections.