Shuchi Chawla Cynthia Dwork Venkat Guruswami Special Section on the Fortieth Annual ACM Symposium On Theory Of Computing (STOC 2008). 1738 2011 40 SIAM J. Comput. 6 http://epubs.siam.org/sicomp/resource/1/smjcat/v40/i6/p1738_s1 db/journals/siamcomp/siamcomp40.html#ChawlaDG11