メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.145644187774 34.6727844720588, 135.146000771935 34.6727054659648, 135.1460631571 34.6726689901897, 135.146153811772 34.6727337422453, 135.146241525027 34.6730554360097, 135.146190954739 34.6731842347908, 135.146166912139 34.6732362305096, 135.146009480107 34.673595620442, 135.145763231994 34.6735206383786, 135.145588126397 34.6734677181278, 135.145303580251 34.6733817221801, 135.145282296115 34.6733759486398, 135.144633452731 34.6731991332405, 135.144778748077 34.6729930777733, 135.144938077751 34.6728274952015, 135.145101632051 34.6728151360421, 135.145265252377 34.6728095373316, 135.145644187774 34.6727844720588)) ^^http://www.opengis.net/ont/geosparql#wktLiteral