title: storing and querying ordered xml using a relational database system sigmod conference. authors: i tatarinov , s viglas , k beyer , j shanmugasundaram , e shekita , c zhang. venue: nan. year: 2002.0
title: a general techniques for querying xml documents using a relational database system j shanmugasundaram , ej shekita , j kiernan , r sigmod record , 2001.0. authors: nan. venue: nan. year: nan