title: query caching and optimization in distributed mediator systems sibel adali , yannis papakonstantinou , k. selçuk candan , v. s. subrahmanian 1996. authors: nan. venue: sigmod conference. year: nan
title: description logics for semantic query optimization in object-oriented database systems domenico beneventano , sonia bergamaschi , claudio sartori acm transactions on database systems ( tods ) 2003. authors: nan. venue: nan. year: nan