Expressiveness and Complexity of Bidirectional Constraints for Data Exchange. - Marcelo Arenas; Gabriel Diéguez; Jorge Pérez 001 (AMW, 2014)

Bidirectional Constraints for Exchanging Data: Beyond Monotone Queries. - Marcelo Arenas; Gabriel Diéguez; Jorge Pérez 001 (IJCAI, 2015)