メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.408141361449 34.7866885992846, 135.409115380002 34.787039999319, 135.409964073216 34.7873436273337, 135.409988688702 34.7873525644779, 135.409865676447 34.7874308398285, 135.409692236268 34.7875304073659, 135.409216759752 34.7877132150926, 135.409032755536 34.7878011847342, 135.408933730204 34.787846710413, 135.408759598521 34.7876897938635, 135.408161524984 34.7871954844554, 135.408143200235 34.7871778996945, 135.407976720877 34.7870183785321, 135.407550131411 34.7867067830423, 135.407678353263 34.7863659171953, 135.408141361449 34.7866885992846)) ^^http://www.opengis.net/ont/geosparql#wktLiteral