メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.554227173635 40.5168863732553, 141.553587071251 40.51705680801, 141.553607431908 40.5169868141041, 141.553603033779 40.5169035000925, 141.55360483826 40.5167449346557, 141.553586193067 40.5166482708899, 141.553541066242 40.5165450900823, 141.553401018811 40.5162906303302, 141.55380869644 40.5158876338557, 141.554473822571 40.5153526861009, 141.554598082689 40.5154459783467, 141.554760537492 40.5154906260758, 141.554929760275 40.5155083879532, 141.554644388487 40.5161525187405, 141.554174386582 40.5163274508392, 141.554501810443 40.5168132400911, 141.554227173635 40.5168863732553)) ^^http://www.opengis.net/ont/geosparql#wktLiteral