メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.385915187073 43.0636180573375, 141.385795610763 43.064101022464, 141.385719120066 43.0643160059866, 141.384765613861 43.0641237628304, 141.38431458453 43.0640366595416, 141.383950354688 43.0639432490809, 141.383833925569 43.0638194322443, 141.383546611232 43.0635289762008, 141.383135724091 43.0630978400172, 141.383740679969 43.0627770740624, 141.385346745463 43.0619332377719, 141.385524132623 43.0620601853907, 141.386598446762 43.0624520837506, 141.386320329681 43.0629007992483, 141.386091699405 43.0632470644315, 141.385960043857 43.0634768220621, 141.385915187073 43.0636180573375)) ^^http://www.opengis.net/ont/geosparql#wktLiteral