メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.243019800032 43.1407285680742, 141.243907024034 43.1413608986638, 141.245139323003 43.1422056974889, 141.244969888223 43.142323977254, 141.24406635406 43.1423395900021, 141.242899319848 43.1423174989335, 141.241222248209 43.1422987027646, 141.24122853535 43.1419161706673, 141.241229275006 43.141871166889, 141.241245572716 43.1415456890355, 141.241238302069 43.1413394920685, 141.241241690499 43.1411333189303, 141.241258932112 43.1407328081471, 141.241265163949 43.140622447422, 141.24127931242 43.1402992010146, 141.241293285742 43.1398462674883, 141.241302563543 43.139533035156, 141.242143196073 43.140128957886, 141.243019800032 43.1407285680742)) ^^http://www.opengis.net/ont/geosparql#wktLiteral