@inproceedings{SIGIR-2012-HauffH,
	author        = "Claudia Hauff and Geert-Jan Houben",
	booktitle     = "{Proceedings of the 35th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2348283.2348376",
	isbn          = "978-1-4503-1472-5",
	pages         = "691--700",
	publisher     = "{ACM}",
	title         = "{Placing images on the world map: a microblog-based enrichment approach}",
	year          = 2012,
}