メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.472220101341 43.0112842234402, 141.47231465274 43.0114201837944, 141.472836565991 43.0122459077195, 141.472941127699 43.012739784243, 141.47295811214 43.0128559469291, 141.472949508493 43.0129796727635, 141.472937288528 43.0131127285476, 141.472915022442 43.0132368541291, 141.472901069794 43.0133629347302, 141.472884071196 43.0134569935253, 141.472846452018 43.0135786940969, 141.472672323432 43.0145390907589, 141.472531230673 43.0151861016878, 141.472279924814 43.0151601316096, 141.472031958418 43.0152454481072, 141.471360913781 43.0154771346249, 141.470915850204 43.0156490345112, 141.470504641229 43.0157696100399, 141.470289715577 43.0144776303254, 141.470147116108 43.0137379649552, 141.470138333878 43.0136822023452, 141.469921838545 43.0124055408188, 141.469858246712 43.0121785698342, 141.469789072608 43.0120178833021, 141.469700968814 43.0118535517619, 141.469716381649 43.0118473267572, 141.470854716453 43.0113907191786, 141.470879616715 43.0113806890984, 141.471987622833 43.0109257800787, 141.471993933912 43.0109230798922, 141.472220101341 43.0112842234402)) ^^http://www.opengis.net/ont/geosparql#wktLiteral