Coarse-graining schemes and a posteriori error estimates for stochastic lattice systems Markos A. Katsoulakis, Petr Plecháč, Luc Rey-Bellet and Dimitrios K. Tsagkarogiannis ESAIM: M2AN, 41 3 (2007) 627-660 Published online: 02 August 2007 DOI: 10.1051/m2an:2007032