Md. Sumon Shahriar Jixue Liu Key Preserving P2P Data Transformation in XML. 42-54 2008 DBISP2P http://www.vldb.org/conf/2008/workshops/WProc_dbisp2p08/Paper_6.pdf conf/dbisp2p/2008 db/conf/dbisp2p/dbisp2p2008.html#ShahriarL08