title: on wrapping query languages and efficient xml integration. authors: v christophides , s cluet , j simщon. venue: sigmod conference. year: 2000
title: on wrapping query languages and efficient xml integration , rapport verso numro 170 , octobre 1999 .. authors: v christophides , s cluet , j simon. venue: cluet , s. gamerman , oql : le solide. year: nan