Serge Abiteboul, Richard Hull, Victor Vianu, Sheila A. Greibach, Michael A. Harrison, Ellis Horowitz, Daniel J. Rosenkrantz, Jeffrey D. Ullman, Moshe Y. Vardi. In memory of Seymour Ginsburg 1928 - 2004. SIGMOD Record, 34(1):5-12, 2005. [doi]
Abstract is missing.