title: mosaico - a system for conceptual modeling and rapid prototyping of object-oriented database application. authors: m. toiati , michele missikoff. venue: sigmod conference. year: 1994
title: calibrating the query optimizer cost model of iro-db , an object-oriented federated database system. authors: georges gardarin , fei sha , zhao-hui tang. venue: very large data bases. year: 1996