メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.676779633607 34.9771614605013, 133.676195383264 34.9773423409976, 133.675915794297 34.9767663409678, 133.676447249516 34.9765801761954, 133.676779633607 34.9771614605013)) ^^http://www.opengis.net/ont/geosparql#wktLiteral