メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.379886228925 34.8217429597847, 137.380530833797 34.821575335231, 137.38077423478 34.8222582364458, 137.381022068542 34.8229538770182, 137.380775090205 34.8230289667925, 137.380890683754 34.8233617647331, 137.38077163367 34.8233984565896, 137.380659639948 34.8230538900953, 137.380627338581 34.8230637361569, 137.380396890246 34.8231323864377, 137.380290371444 34.8228997260424, 137.379951839502 34.8229849040308, 137.379969603467 34.8230267091587, 137.379771110917 34.8230743845639, 137.379855480826 34.8232798272771, 137.379529108873 34.8233695616839, 137.379438032654 34.8231387047846, 137.379312230986 34.823131598352, 137.379092486186 34.823497800195, 137.378162413136 34.8231080919786, 137.378285477085 34.8229022197564, 137.378691247127 34.8227832636462, 137.378451337873 34.8221160600602, 137.379161603765 34.8219313555477, 137.379886228925 34.8217429597847)) ^^http://www.opengis.net/ont/geosparql#wktLiteral