title: pix : exact and approximate phrase matching in xml yu xu , mary f. fernandez , sihem amer-yahia , divesh srivastava. authors: nan. venue: sigmod conference. year: 2003.0
title: pix : exact and approximate phrase matching in xml 2003. authors: sihem amer-yahia , mary fern &#225; ndez , divesh srivastava , yu xu. venue: international conference on management of data. year: nan