メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.053403223999 37.9308371761247, 139.052984265981 37.9306896403902, 139.052813047267 37.9309559627915, 139.05253471799 37.930853323033, 139.05253414272 37.9308542808081, 139.05250381359 37.9309057809529, 139.052408010884 37.9308719938382, 139.052439747899 37.9308183012494, 139.05222463628 37.9307389730343, 139.051687933537 37.9305498936416, 139.05184052095 37.9302933751499, 139.051762257948 37.9302615034435, 139.051988292739 37.9298078254231, 139.052563541175 37.9300064365633, 139.05322799208 37.9302436198519, 139.053615649601 37.9303949623012, 139.053383237044 37.9307846174252, 139.053403223999 37.9308371761247)) ^^http://www.opengis.net/ont/geosparql#wktLiteral