メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.902186102785 35.809815376806, 139.902137587437 35.8102434887391, 139.902092983191 35.8106779536527, 139.902089228889 35.8108530131803, 139.901506484407 35.8108788110793, 139.900104378005 35.8109416784093, 139.898563575294 35.8111844531234, 139.896994778099 35.8114247039871, 139.896810758788 35.811452125925, 139.895206248728 35.8114661291606, 139.895183174193 35.8108376701988, 139.895160191555 35.8103268069351, 139.895130869485 35.8091484645178, 139.895129400913 35.8091354193481, 139.896303231875 35.8091964218896, 139.896291522266 35.8091598989529, 139.897070836873 35.8090580845984, 139.898082065459 35.80891021268, 139.899411942924 35.8088053537265, 139.899624321604 35.8087855864175, 139.901048349528 35.8087022724384, 139.902168254135 35.808642694384, 139.90219746441 35.8093793468724, 139.902186102785 35.809815376806)) ^^http://www.opengis.net/ont/geosparql#wktLiteral