@inproceedings{,
	author          = {C. Hauff, G.J. Houben},
	title           = {Placing images on the world map: a microblog-based enrichment approach},
	booktitle       = {Proceedings of the 35th International ACM SIGIR conference on research and development in Information Retrieval (SIGIR 2012)},
	publisher       = {ACM},
	year            = {2012},
	month           = {12-16 August 2012},
	pages           = {691-700},
	location        = {Portland, USA},
	topic           = {Web Engineering},
	group           = {WIS}
}