メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.296031344692 33.2503049451859, 130.297605681732 33.2504977577572, 130.297408296156 33.2516437510599, 130.295931940128 33.2515046270545, 130.295884555422 33.2515009422559, 130.295252114782 33.2513359205601, 130.294704695589 33.2512020791189, 130.293925670008 33.2510725846848, 130.294074205719 33.2500952297892, 130.294129831837 33.2501007421497, 130.294844290057 33.2501729463488, 130.295065191096 33.2501962710029, 130.29515169268 33.2502045481696, 130.295350973523 33.2502264455346, 130.296031344692 33.2503049451859)) ^^http://www.opengis.net/ont/geosparql#wktLiteral