メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.909798600304 35.0729532411673, 136.910030319559 35.0729303459243, 136.910130189316 35.0733929060109, 136.910194862749 35.0733930415367, 136.910238717571 35.0735958920271, 136.910279149535 35.0735959767281, 136.910311006787 35.0737522505792, 136.910177538099 35.0737685911943, 136.910184572594 35.073806847749, 136.910175404224 35.0738078147339, 136.909945198681 35.0738321925699, 136.909216131285 35.073888132053, 136.909205972317 35.0734540003549, 136.909194558492 35.0730314164228, 136.909193502595 35.0729920455881, 136.909193287537 35.0729853553924, 136.909794119196 35.0729272444283, 136.909798600304 35.0729532411673)) ^^http://www.opengis.net/ont/geosparql#wktLiteral