Gösta Grahne, Ali Moallemi. Universal Nulls (Extended Abstract). In Dan Olteanu, Barbara Poblete, editors, Proceedings of the 12th Alberto Mendelzon International Workshop on Foundations of Data Management, Cali, Colombia, May 21-25, 2018. Volume 2100 of CEUR Workshop Proceedings, CEUR-WS.org, 2018. [doi]
Abstract is missing.