メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.406981439161 43.0029308715746, 144.407546669105 43.0032891626119, 144.408072905529 43.0036228683886, 144.407109332928 43.004437429749, 144.406587746015 43.0048877239023, 144.406046300113 43.004552188726, 144.405541658987 43.0042277018215, 144.405527064506 43.0042158805778, 144.405042820802 43.0039045804937, 144.404630116719 43.0036331449227, 144.40460644683 43.0036138984288, 144.404349719412 43.0033802458046, 144.405306455659 43.0030815553384, 144.405447362537 43.0030393076915, 144.405847530018 43.0029143234748, 144.405988075563 43.0028891714863, 144.406616167246 43.0027006052578, 144.406981439161 43.0029308715746)) ^^http://www.opengis.net/ont/geosparql#wktLiteral