title: constraints for semi-structured data and xml. authors: wenfei fan , peter buneman , scott weinstein , jérôme siméon. venue: sigmod record. year: 2001.0
title: constraints for semistructured data and xml peter buneman , wenfei fan , j &#233; r &#244; me sim &#233; on , scott weinstein acm sigmod record. authors: nan. venue: nan. year: 2001.0