title: a query language and optimization techniques for unstructured data. authors: p buneman , s davidson , g hillebrand , d suciu. venue: sigmod conference. year: 1996
title: a query language and optimization techniques for unstructured data . university of pennsylvania ,. authors: p buneman , s davidson , g hillebrand , d suciu. venue: technical report ms-cis 96-09 ,. year: nan