title: xperanto : middleware for publishing object-relational data as xml documents. authors: michael j. carey , subbu n. subramanian , eugene j. shekita , jerry kiernan , jayavel shanmugasundaram. venue: vldb. year: 2000
title: relational databases for querying xml documents : limitations and opportunities. authors: jayavel shanmugasundaram , kristin tufte , chun zhang , gang he , david j. dewitt , jeffrey f. naughton. venue: very large data bases. year: 1999