メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.731687541575 35.3638379421938, 136.73163538654 35.3644290732516, 136.731577507068 35.3650296211285, 136.731542029262 35.3656365156381, 136.731446278276 35.3666636734093, 136.731394446271 35.3674995862167, 136.729892524838 35.3667982962208, 136.728966499194 35.3663561705606, 136.730322763363 35.3665382328807, 136.730316895153 35.3652256506323, 136.730307597917 35.3645535970945, 136.730306845722 35.3638672080412, 136.730274290482 35.3629631774773, 136.731734085773 35.3629451092954, 136.73168874176 35.3638144962231, 136.731687541575 35.3638379421938)) ^^http://www.opengis.net/ont/geosparql#wktLiteral