@inproceedings{barz2018putting,
	doi = {10.1145/3282933.3282937},
	pages = {3:1--3:6},
	year = {2018},
	booktitle = {2nd ACM SIGSPATIAL Workshop on Geospatial Humanities},
	author = {Björn Barz and Thomas C. van Dijk and Bert Spaan and Joachim Denzler},
	title = {Putting User Reputation on the Map: Unsupervised Quality Control for Crowdsourced Historical Data},
}