Floris Geerts, Jan Van den Bussche. Relational Completeness of Query Languages for Annotated Databases. In Marcelo Arenas, Michael I. Schwartzbach, editors, Database Programming Languages, 11th International Symposium, DBPL 2007, Vienna, Austria, September 23-24, 2007, Revised Selected Papers. Volume 4797 of Lecture Notes in Computer Science, pages 127-137, Springer, 2007. [doi]
Abstract is missing.