Manish Bhide Manoj Agarwal Amir Bar-Or Sriram Padmanabhan Srinivas Mittapalli Girish Venkatachaliah XPEDIA: XML ProcEssing for Data IntegrAtion. 1330-1341 2009 2 PVLDB 2 http://www.vldb.org/pvldb/2/vldb09-623.pdf db/journals/pvldb/pvldb2.html#BhideABPMV09