Pablo Barceló, Jorge Pérez 0001, Juan L. Reutter. Relative Expressiveness of Nested Regular Expressions. In Juliana Freire, Dan Suciu, editors, Proceedings of the 6th Alberto Mendelzon International Workshop on Foundations of Data Management, Ouro Preto, Brazil, June 27-30, 2012. Volume 866 of CEUR Workshop Proceedings, pages 180-195, CEUR-WS.org, 2012. [doi]
Abstract is missing.