メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.73884687481 35.2376896414576, 136.737833363494 35.2378705406276, 136.737739521505 35.2376135786834, 136.737682691718 35.2373946362653, 136.737678506535 35.2373090537618, 136.737641513212 35.2370720814164, 136.737543859206 35.2366837612076, 136.737408328402 35.2362099460531, 136.737286684379 35.2358376626624, 136.737240758506 35.2356916462177, 136.737138404838 35.2353075280258, 136.737098568729 35.2350482152275, 136.738103935923 35.2348758864623, 136.738139178916 35.2350213718838, 136.738251419387 35.2354850354503, 136.738426475482 35.2361399884218, 136.738456107245 35.236242774789, 136.738540003602 35.2363833593659, 136.73884687481 35.2376896414576)) ^^http://www.opengis.net/ont/geosparql#wktLiteral