メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.478043247546 43.0508419845022, 141.478433792186 43.0511405725824, 141.478776796874 43.0514450278657, 141.478785324595 43.0514532442111, 141.479100937195 43.0517590612812, 141.477972381773 43.0526087135031, 141.477124861084 43.0532425104224, 141.477170313035 43.0532735516111, 141.476420857394 43.0538408403426, 141.476145493158 43.0540527842152, 141.475266632715 43.0534278518002, 141.474250932692 43.0527463521617, 141.474543127925 43.0525153257123, 141.474842391631 43.0522826595719, 141.47518234642 43.052020659572, 141.47521091328 43.0519911029405, 141.475259251953 43.0519411431129, 141.475286456035 43.0518941351358, 141.475659952758 43.0515917800272, 141.47568766186 43.0515693905623, 141.475862979092 43.0514273135163, 141.47602511401 43.0512961181968, 141.476197079275 43.0511535948547, 141.476866702475 43.0506218491089, 141.477125303268 43.0504184417835, 141.47708781522 43.0503833744865, 141.477229089032 43.0502713069964, 141.47765244092 43.0505455034211, 141.477686287899 43.0505573369297, 141.478043247546 43.0508419845022)) ^^http://www.opengis.net/ont/geosparql#wktLiteral