title: description logics for semantic query optimization in object-oriented database systems acm trans . database syst . 2003. authors: d beneventano , s bergamaschi , c sartori. venue: nan. year: nan
title: description logics for semantic query optimization in object-oriented database systems d beneventano , s bergamaschi , c sartori 2003.0. authors: nan. venue: acm transactions on database systems ,. year: nan