メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.084009641071 39.6973369164104, 141.082908397066 39.6973851324927, 141.081520827254 39.697431941771, 141.081144656953 39.6975562835096, 141.080752980819 39.6976686905044, 141.080609387488 39.6971848026618, 141.080551735829 39.6969338394818, 141.080473524652 39.6967028707887, 141.080421355507 39.6965395799629, 141.08040486732 39.6962526755063, 141.080383483142 39.6960494878055, 141.080351724737 39.6958223935314, 141.080330478241 39.6956510850748, 141.080335303635 39.6955554045997, 141.08050537672 39.6955112386755, 141.080690850375 39.6954430760412, 141.0808353 39.6954427688001, 141.081062437929 39.6954861251207, 141.081222508428 39.6955296257295, 141.081403200418 39.6955690701716, 141.081836486155 39.6955562184601, 141.083871332286 39.6954741284026, 141.084009641071 39.6973369164104)) ^^http://www.opengis.net/ont/geosparql#wktLiteral