メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.629566054126 42.8486003046387, 141.62999354466 42.8491935569825, 141.630477250778 42.8498963394288, 141.630786077636 42.8503614325347, 141.631118614835 42.8508791920373, 141.631326289254 42.851174868746, 141.631599915486 42.8515910292021, 141.630990834412 42.8518100559057, 141.630844751104 42.8518650388958, 141.62970663535 42.8522931063853, 141.628706116644 42.8526631115145, 141.628427027445 42.8522497980255, 141.62801254969 42.8516547122865, 141.627543183904 42.8509530527187, 141.627078624772 42.8502972745828, 141.627048100546 42.8502243846601, 141.626981546076 42.8501129673305, 141.626878702001 42.8499839791076, 141.626772871596 42.8498952763415, 141.626654091026 42.8497969367675, 141.626522312388 42.8496985973397, 141.626220427405 42.8494826478583, 141.626377363854 42.8493512080336, 141.626552672878 42.8492033394053, 141.626890226131 42.8489187140721, 141.627215780773 42.8486435174311, 141.627818438033 42.8481342129607, 141.628206988978 42.8478051291276, 141.628551482011 42.8475132220218, 141.628699206588 42.847398538573, 141.628802300865 42.8475359655945, 141.629006823578 42.8478244555043, 141.629566054126 42.8486003046387)) ^^http://www.opengis.net/ont/geosparql#wktLiteral