メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.619585592451 35.3586774181688, 136.619577894699 35.3586653413773, 136.619564412443 35.3586441539821, 136.61952530039 35.3586313704757, 136.619453216815 35.358625762275, 136.619488007099 35.3575132458964, 136.619911987336 35.3574518577071, 136.619922039329 35.3579631703057, 136.620096027276 35.3579561415797, 136.620087605289 35.3582687084991, 136.619813028125 35.358277957699, 136.619808619869 35.3584985705173, 136.619585592451 35.3586774181688)) ^^http://www.opengis.net/ont/geosparql#wktLiteral