@conference {papaioannou2012decentralized,
	title = {A decentralized recommender system for effective web credibility assessment},
	booktitle = {Proceedings of the 21st ACM international conference on Information and knowledge management},
	year = {2012},
	pages = {704{\textendash}713},
	author = {Papaioannou, Thanasis G and Ranvier, Jean-Eudes and Olteanu, Alexandra and Aberer, Karl}
}
