メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.5516974638 43.2511870550098, 143.551689463746 43.2511998762055, 143.551442794192 43.2515935800685, 143.55137784651 43.2516972828244, 143.549826733026 43.251758838968, 143.549559651314 43.2517547758654, 143.548216333583 43.2518197815916, 143.547142447578 43.2518953551544, 143.5471287825 43.2517639239188, 143.547060434224 43.2511056435742, 143.547056583709 43.2510693266589, 143.54705548483 43.2510582979828, 143.547048472098 43.2509909316026, 143.547034945338 43.2508614675445, 143.546971821342 43.2502543275653, 143.549138440954 43.250173429056, 143.550250637661 43.250122930126, 143.550741752699 43.2500889921858, 143.55107146689 43.2500662467339, 143.552302783489 43.2500434157002, 143.551759899469 43.2510874604794, 143.551742125242 43.2511157238384, 143.5516974638 43.2511870550098)) ^^http://www.opengis.net/ont/geosparql#wktLiteral