title: pix : exact and approximate phrase matching in xml. authors: yu xu , mary f. fernandez , sihem amer-yahia , divesh srivastava. venue: sigmod conference. year: 2003
title: pix : exact and approximate phrase matching in xml. authors: sihem amer-yahia , mary fern &#225; ndez , divesh srivastava , yu xu. venue: international conference on management of data. year: 2003