メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.685191992982 35.3105414471177, 136.685928942736 35.3107577974239, 136.686368854467 35.310892131128, 136.686372199842 35.3108930600986, 136.686544952766 35.311583019176, 136.686146935034 35.311656875611, 136.685079073712 35.3118241459741, 136.684771898038 35.3115748367546, 136.684217245213 35.3111297663066, 136.684347661286 35.310767262744, 136.684440584958 35.3104539048867, 136.684477792331 35.310322083402, 136.685191992982 35.3105414471177)) ^^http://www.opengis.net/ont/geosparql#wktLiteral