title: template-based wrappers in the tsimmis system. authors: j hammer , h garcia-molina , s nestorov , r yerneni , m breunig , v vassalos. venue: sigmod conference. year: 1997
title: vassalos , template-based wrappers in the tsimmis system , ht tp : / / wwwdb. authors: j hammer , h garcia-molina , s nestorov , r yerneni ,. venue: stanford . edu/tsimmis/publications .. year: nan