メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.550242958047 34.0683166333733, 134.550124133039 34.0679606218827, 134.549967722215 34.0674872379522, 134.549775863435 34.0669737276411, 134.549771460449 34.066952986371, 134.550392675301 34.0668570269824, 134.550399739231 34.0668876047995, 134.550725171128 34.0679776671564, 134.550242958047 34.0683166333733)) ^^http://www.opengis.net/ont/geosparql#wktLiteral