メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.321404156226 43.7816786613217, 142.321673004298 43.7819141046484, 142.322041756565 43.7822370360685, 142.323258329203 43.7829864725148, 142.323954754906 43.7834154774415, 142.323756223372 43.7835985999266, 142.322935269345 43.7843926160359, 142.32255320167 43.7847698168268, 142.322498948158 43.7848233836875, 142.322023322622 43.785282671759, 142.321415128439 43.7857060346608, 142.321228938347 43.7858231479108, 142.32065278519 43.7853165215793, 142.320076557364 43.7847438947842, 142.319730395313 43.7843856067815, 142.319174917117 43.7838429554533, 142.318530316641 43.7831938520371, 142.318182119467 43.7828550749252, 142.31753129103 43.782177489784, 142.318393539689 43.7820960920971, 142.318458671585 43.7820899352459, 142.319201401772 43.7816620069753, 142.319383471652 43.7815688964301, 142.32064142058 43.780911151476, 142.320711877601 43.7809831002628, 142.32101795557 43.7813008178111, 142.321064246789 43.7813488715467, 142.321404156226 43.7816786613217)) ^^http://www.opengis.net/ont/geosparql#wktLiteral