メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.260823246354 43.1111521639921, 141.260889896322 43.1112099158491, 141.261151725064 43.1114332182132, 141.261459501665 43.1117065679792, 141.26167446155 43.111925666736, 141.261778632866 43.1120201728784, 141.2597294399 43.1133192488125, 141.259267736181 43.1136204858969, 141.257401317377 43.1119525258251, 141.257896329894 43.1116452559081, 141.258038574522 43.1115571695723, 141.258457385361 43.1113019843574, 141.258935929477 43.1110151740545, 141.259216468362 43.110845435102, 141.259532864081 43.1106544151789, 141.25957838467 43.1106233716436, 141.259966711385 43.1103823349777, 141.260823246354 43.1111521639921)) ^^http://www.opengis.net/ont/geosparql#wktLiteral