Marek Chrobak Wojciech Jawor Jiri Sgall Tomás Tichý Online Scheduling of Equal-Length Jobs: Randomization and Restarts Help. 1709-1728 2007 36 SIAM J. Comput. 6 http://dx.doi.org/10.1137/S0097539704446608 db/journals/siamcomp/siamcomp36.html#ChrobakJST07