Multi-granularity Locks in an Object-Oriented Database by Roberto Zicari · Published January 1, 2006 · Updated February 18, 2014 Daniel F. Lieuwen, H.V. Jagadish, AT&T Bell Labs DOWNLOAD (PDF)
Managing Uncertainty in Moving Objects Databases September 1, 2004 by Roberto Zicari · Published September 1, 2004 · Last modified February 18, 2014
029.01 Hitting the Relational Wall January 1, 2005 by Roberto Zicari · Published January 1, 2005 · Last modified February 16, 2014
Object-Oriented or Object-Relational? An Experience Report from a High-Complexity, Long-Term Case Study. July 1, 2010 by Roberto Zicari · Published July 1, 2010 · Last modified February 16, 2014