メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.496244093688 40.59987311307, 140.496966905832 40.5999851357877, 140.497148076903 40.6000138106791, 140.497704187078 40.6000637753698, 140.497644583344 40.6007131036109, 140.497604304916 40.6012265503859, 140.497528943316 40.6019574502392, 140.497513762211 40.6023024569763, 140.497432487801 40.6034778032538, 140.496754276696 40.6034260741117, 140.496245775805 40.6033549972486, 140.495557992818 40.603256022673, 140.494843043155 40.60313072023, 140.494747744953 40.6015222720173, 140.49471553657 40.6002321083754, 140.494705224294 40.5999800447, 140.494765027187 40.5996265163308, 140.496244093688 40.59987311307)) ^^http://www.opengis.net/ont/geosparql#wktLiteral