1. Complexity Classifications of Boolean Constraint Satisfaction Problems;Creignou,2001
2. Complexity of Constraints,2008
3. The Constraint Satisfaction Problem: Complexity and Approximability,2017
4. Tractable optimization problems through hypergraph-based structural restrictions;Gottlob,2009
5. Tractable hypergraph properties for constraint satisfaction and conjunctive queries;Marx;J. ACM,2013