メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.316223340045 43.0961790483603, 141.316430703693 43.0964144413857, 141.31672489544 43.0967652488184, 141.315865078251 43.0973790880881, 141.315552957307 43.0976141075319, 141.314966218817 43.0980346585418, 141.313933531454 43.0967389239434, 141.314542160813 43.0963110324599, 141.314775946888 43.0961468288864, 141.31496031502 43.0960261759758, 141.31508081396 43.0959340457982, 141.315130178117 43.0958181260371, 141.315209011079 43.0957459808578, 141.315275093098 43.0956855465838, 141.315628836609 43.0955211251434, 141.316147868612 43.0960932650555, 141.316223340045 43.0961790483603)) ^^http://www.opengis.net/ont/geosparql#wktLiteral