メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.703979983074 31.489148671857, 130.704429333945 31.4899240967298, 130.703147924645 31.4904359214721, 130.702737454526 31.4906012579554, 130.70175382372 31.4909862266362, 130.701704902754 31.4908863371557, 130.701362564707 31.4901723131592, 130.701251428579 31.4899382573761, 130.701144652823 31.4897424026822, 130.701033262841 31.4895888146976, 130.700948532184 31.489488840792, 130.700601220239 31.4889396850613, 130.70220554704 31.4882378277706, 130.703180798082 31.4877684253842, 130.703222811897 31.4878356036256, 130.703363094448 31.4880653563949, 130.703542495811 31.4883745409663, 130.703979983074 31.489148671857)) ^^http://www.opengis.net/ont/geosparql#wktLiteral