メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.770562434132 35.4496597569396, 136.770162399014 35.449684963381, 136.769796620334 35.4497266189076, 136.769637338894 35.4498208478621, 136.769552515094 35.4494462867486, 136.771269580403 35.4492351764754, 136.771282350439 35.4493430312064, 136.772201465592 35.4492595117669, 136.772213035396 35.4495785192725, 136.771643222797 35.4495831425713, 136.771248899206 35.4496199909729, 136.770884028108 35.4496431313092, 136.770562434132 35.4496597569396)) ^^http://www.opengis.net/ont/geosparql#wktLiteral