メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.295202402219 43.1117180056229, 141.295628184088 43.112164977799, 141.29622514717 43.1128455999372, 141.296483697514 43.1131335681557, 141.295759091368 43.113519545593, 141.29543849267 43.113697267461, 141.294725081876 43.1140848792191, 141.294511210362 43.1138748507195, 141.293699283705 43.1131168918762, 141.292974989149 43.1124778117156, 141.292654908418 43.1121848891429, 141.293354904746 43.1116657341997, 141.293796282028 43.1113383128318, 141.294459473828 43.1108699020389, 141.294825442712 43.1112675707861, 141.295202402219 43.1117180056229)) ^^http://www.opengis.net/ont/geosparql#wktLiteral