Mira Belenkiy Melissa Chase C. Christopher Erway John Jannotti Alptekin Küpçü Anna Lysyanskaya Incentivizing outsourced computation. 85-90 2008 NetEcon http://doi.acm.org/10.1145/1403027.1403046 conf/sigcomm/2008netecon db/conf/sigcomm/netecon2008.html#BelenkiyCEJKL08