The Intelligent Database Machine. - Michael Ubell (IEEE Database Eng. Bull., 1981)

The Intelligent Database Machine (IDM). - Michael Ubell (Query Processing in Database Systems, 1985)

The Montage Extensible DataBlade Achitecture. - Michael Ubell (SIGMOD Conference, 1994)

Embedding Image Query Operations in an Object-Relational Database Management System. - Michael Ubell; Michael A. Olson (Storage and Retrieval for Image and Video Databases (SPIE), 1995)

Query Processing in a Parallel Object-Relational Database System. - Michael A. Olson; Wei Hong; Michael Ubell; Michael Stonebraker (IEEE Data Eng. Bull., 1996)

Informix Software - XML Query Language Workshop. - Michael Ubell (QL, 1998)