Umaporn Supasitthimethee Toshiyuki Shimizu Masatoshi Yoshikawa Kriengkrai Porkaew XSemantic: An Extension of LCA Based XML Semantic Search. 1079-1092 2009 92-D IEICE Transactions 5 http://search.ieice.org/bin/summary.php?id=e92-d_5_1079&category=D&year=2009&lang=E&abst= db/journals/ieicet/ieicet92d.html#SupasitthimetheeSYP09