メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.765436796634 35.4133409350568, 136.765382966412 35.4133417276286, 136.76538516396 35.4130626603251, 136.76539060558 35.4129626824711, 136.765466518955 35.4129621942981, 136.765502464554 35.4129573893764, 136.765489050363 35.4127011592599, 136.765479368747 35.4125680493463, 136.765453738526 35.412215666296, 136.765405611649 35.4122155077459, 136.765429586789 35.4120986550144, 136.765435404765 35.4120267390815, 136.765604494458 35.4120227891569, 136.765623062565 35.4124343133144, 136.76562511201 35.4131246123793, 136.765621346219 35.4133382175777, 136.765436796634 35.4133409350568)) ^^http://www.opengis.net/ont/geosparql#wktLiteral