メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.366858525175 34.8023576877573, 137.366729020046 34.8026823016126, 137.366481132347 34.8033055916823, 137.366142452178 34.8031440113833, 137.365979575148 34.8031066655449, 137.365477025383 34.8029928182738, 137.364714018132 34.802692467141, 137.36490804571 34.8023981773711, 137.364962388494 34.8022786396404, 137.365001269212 34.8021464498022, 137.365116429908 34.8019107444248, 137.365253866925 34.8016440135254, 137.366028732526 34.8017713648121, 137.366004720558 34.8021245423729, 137.366858525175 34.8023576877573)) ^^http://www.opengis.net/ont/geosparql#wktLiteral