@article{oostermanComnet2015,
	author          = {Jasper Oosterman, Jie Yang, Alessandro Bozzon, Lora Aroyo, Geert-Jan Houben},
	title           = {On the impact of knowledge extraction and aggregation on crowdsourced annotation of visual artworks},
	journal         = {Computer Networks},
	year            = {2015},
	month           = {July},
	volume          = {90},
	pages           = {133–149},
	url             = {http://www.sciencedirect.com/science/article/pii/S1389128615002315},
	topic           = {Information Retrieval,Web Engineering},
	group           = {WIS}
}