メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.73514361764 35.4624885363075, 136.735049682248 35.4624461971703, 136.734678468806 35.4627815106426, 136.734125794119 35.4633373972249, 136.734075017509 35.463288062813, 136.733400490796 35.4622007078495, 136.732822668621 35.461291856785, 136.733550116109 35.4609903927926, 136.732936624285 35.4600654660513, 136.734260349756 35.4595215301073, 136.735664428371 35.4617885613526, 136.735398509817 35.4620874231821, 136.735206385268 35.4623558090224, 136.73514361764 35.4624885363075)) ^^http://www.opengis.net/ont/geosparql#wktLiteral