メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.700357786121 43.0119487522068, 141.701218656955 43.012152347061, 141.700177747175 43.0125412729275, 141.698642473818 43.0131086293952, 141.697135028348 43.0136528907357, 141.695477503744 43.0142513998677, 141.695814523735 43.0147481683499, 141.694427616391 43.0152241883511, 141.694122357199 43.0147668865841, 141.693785660155 43.0142889639962, 141.693463093797 43.0138123758471, 141.694823673067 43.0133196398877, 141.694803855871 43.0132906377602, 141.695610727176 43.0129924810944, 141.696633869012 43.0126227128699, 141.697598678777 43.0122744548748, 141.698002220998 43.0121334199258, 141.698673947191 43.0118760827706, 141.698802877897 43.0115509994946, 141.699258846988 43.0116609436946, 141.700357786121 43.0119487522068)) ^^http://www.opengis.net/ont/geosparql#wktLiteral