メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.319357925951 43.0051598173537, 144.3142573365 43.0053383086654, 144.314263611179 43.0045477151862, 144.314135474317 42.9986164834006, 144.314130213269 42.9976069355857, 144.315094299699 42.9976078517923, 144.315082232353 42.9973331757673, 144.31476111304 42.9973284791266, 144.31476396054 42.9971544971582, 144.318942412303 42.9971777482272, 144.320091401455 43.0016017186504, 144.319822799178 43.0016250713754, 144.319783915245 43.0016284529586, 144.319876893718 43.0021344792747, 144.318455589971 43.0022636967697, 144.319357925951 43.0051598173537)) ^^http://www.opengis.net/ont/geosparql#wktLiteral