@InProceeding{Bouchard2009Randomized,
   author = {Alexandre Bouchard-C\^ot\'e and Slav Petrov and Dan Klein},
   title = {{R}andomized {P}runing: {E}fficiently {C}alculating {E}xpectations in {L}arge {D}ynamic {P}rograms},
   journal = {Advances in Neural Information Processing Systems 22 (NIPS)},
   pages = {144-152},
   volume = {22},
   year = {2009}
}