メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.949675921308 35.2310257947253, 136.949823170053 35.2314496395258, 136.949965478188 35.2317635289161, 136.950059285625 35.2319753675466, 136.950234865197 35.2322053778239, 136.950457625883 35.2324380764726, 136.950874906467 35.2328724369665, 136.951213850371 35.2332008221845, 136.951166428849 35.2332807326487, 136.951134649201 35.2334020057902, 136.951124886728 35.2335233166162, 136.95112626669 35.2336020453214, 136.951150128887 35.2340873293955, 136.949749960958 35.234126134344, 136.949512096302 35.2336585679486, 136.949321236761 35.2332607256558, 136.94910227343 35.2327879802259, 136.948848867513 35.232253275912, 136.948729945781 35.2320130116051, 136.948600098173 35.2317430130982, 136.948436034588 35.2313335960349, 136.948273459453 35.2309538983176, 136.948164114413 35.2306646401891, 136.948671002282 35.2305313269615, 136.94888507866 35.2304774866141, 136.949439149106 35.2303442553932, 136.949675921308 35.2310257947253)) ^^http://www.opengis.net/ont/geosparql#wktLiteral