@article {papaioannou2010reputation,
	title = {Reputation-based estimation of individual performance in collaborative and competitive grids},
	journal = {Future Generation Computer Systems},
	volume = {26},
	number = {8},
	year = {2010},
	pages = {1327{\textendash}1335},
	publisher = {North-Holland},
	author = {Papaioannou, Thanasis G and Stamoulis, George D}
}
