Simone Bova, Robert Ganian, Stefan Szeider. Model checking existential logic on partially ordered sets. Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS), CSL-LICS ‘14, Vienna, Austria, July 14 - 18, 2014 (Thomas A. Henzinger and Dale Miller), pages 21:1-21:10, 2014, ACM.