メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.937347979477 38.5735335548141, 140.937313557579 38.574250658915, 140.937266338145 38.5748531884757, 140.936932115048 38.5748291300843, 140.936665828108 38.5748093743229, 140.936318818986 38.5747618168403, 140.935330149236 38.5746248640727, 140.935350831574 38.5742412525339, 140.93541187884 38.5733408450082, 140.935903239961 38.5733858873181, 140.9360439563 38.5725929575017, 140.937105177206 38.5725279796688, 140.937913841563 38.5724799679499, 140.93797888276 38.5730149699509, 140.937528372124 38.5729687749863, 140.937347979477 38.5735335548141)) ^^http://www.opengis.net/ont/geosparql#wktLiteral