メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.583175634883 33.2456794193555, 131.583549080279 33.2461444798726, 131.582934575124 33.2464497206001, 131.5819143585 33.2470044503707, 131.581717101018 33.2469115844147, 131.581156111107 33.2467232251427, 131.580990261164 33.2466635705387, 131.58127393635 33.2463301982708, 131.581491032834 33.2461030893541, 131.581857911822 33.24570654585, 131.582027547094 33.245547744242, 131.582190677941 33.2454198279208, 131.582408222117 33.2452669131127, 131.582542071335 33.2451603033228, 131.582792556912 33.2450004012652, 131.582922536637 33.2449174429085, 131.58340629984 33.2455580904648, 131.583175634883 33.2456794193555)) ^^http://www.opengis.net/ont/geosparql#wktLiteral