メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.235790577916 34.7093873045975, 135.236549274236 34.709638597061, 135.236426131771 34.7099022417548, 135.236393005472 34.7099731635741, 135.236386587267 34.7099868740251, 135.236295716626 34.7101633368248, 135.235972821274 34.7108373345231, 135.23528514131 34.7105922734052, 135.234920652295 34.7104529916173, 135.235202914986 34.7098063420747, 135.235453578038 34.7092658500097, 135.235790577916 34.7093873045975)) ^^http://www.opengis.net/ont/geosparql#wktLiteral