メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.127766030026 35.0681793821628, 137.127754114662 35.0684940426107, 137.127716445727 35.0694888725463, 137.126852482102 35.0693873658642, 137.125514395315 35.0692325812514, 137.123878554063 35.0690575239828, 137.122403519247 35.0689034273131, 137.122310788659 35.0688302200538, 137.122672554471 35.068106309478, 137.12282409445 35.0680048149836, 137.124224238396 35.0670940338751, 137.125531434629 35.0662719379644, 137.126594729952 35.0655686195452, 137.127767277771 35.0655486763791, 137.127889232729 35.0655466043517, 137.127865556882 35.0658156246612, 137.127831820555 35.0661987327041, 137.127766030026 35.0681793821628)) ^^http://www.opengis.net/ont/geosparql#wktLiteral