title: on parallel processing of aggregate and scalar functions in object-relational dbms. authors: michael jaedicke , bernhard mitschang. venue: sigmod conference. year: 1998
title: intra-transaction parallelism in the mapping of an object model to a relational multi-processor system. authors: michael rys , moira c. norrie , hans-j &#246; rg schek. venue: very large data bases. year: 1996