メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.932145756262 35.0907028670877, 136.93210104387 35.0907671510932, 136.932004307548 35.0908978882359, 136.931862628017 35.0911896773614, 136.931663258541 35.0911401322761, 136.93145420599 35.0910759182305, 136.931462820839 35.0910743150207, 136.932055950029 35.0899746126414, 136.932183978673 35.0900201451866, 136.932407998133 35.0901007250976, 136.932397230464 35.090121550852, 136.932241817432 35.0905072638575, 136.932145756262 35.0907028670877)) ^^http://www.opengis.net/ont/geosparql#wktLiteral