メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.55255098608 34.0785756628154, 134.552605521395 34.0787619112116, 134.552733650622 34.0791971448448, 134.55242275868 34.0791845267854, 134.552020433044 34.0791707210533, 134.551817010185 34.0791897202821, 134.551561958808 34.0792571271468, 134.550952732116 34.0794056063773, 134.550757553066 34.0794615126529, 134.550577693649 34.0790657400963, 134.551515042142 34.0788450744937, 134.551132340318 34.0776738840599, 134.551634501022 34.0775068102067, 134.552064829825 34.0773560586494, 134.552535196724 34.0785360511403, 134.55255098608 34.0785756628154)) ^^http://www.opengis.net/ont/geosparql#wktLiteral