メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.77981504075 35.4456822116318, 136.778471969253 35.4457599254615, 136.778472340979 35.4456015139596, 136.77846792927 35.4455255164049, 136.779476048056 35.4454717325075, 136.779566772125 35.4454668814835, 136.779573125237 35.4455330628561, 136.779777178022 35.4455199461421, 136.779771778254 35.4454432404728, 136.780140092675 35.4454152602679, 136.780158881811 35.4456794698541, 136.77981504075 35.4456822116318)) ^^http://www.opengis.net/ont/geosparql#wktLiteral