メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.974077807692 37.2274588507765, 138.973970819177 37.2275116566141, 138.973512313166 37.2275386980633, 138.972946985121 37.2275610935387, 138.972601885382 37.22763273407, 138.97227537294 37.2276641704871, 138.972030326383 37.2276651489995, 138.971609192511 37.2276366991262, 138.971282333176 37.2276129429913, 138.971012211609 37.2276240168528, 138.97074690977 37.2276667526202, 138.970650585759 37.2271846132746, 138.970470891377 37.2262854718361, 138.970955367752 37.2262445382752, 138.971415357066 37.2259757428851, 138.971694996692 37.2258757825839, 138.972142627204 37.2259480572466, 138.972389399953 37.2258647018005, 138.972756336753 37.2258863278643, 138.973178387095 37.2258170557169, 138.974026431797 37.2256620168455, 138.97431439817 37.2255784942138, 138.974478953598 37.2255251743038, 138.974602162661 37.2254554069649, 138.974780621826 37.2253244494959, 138.975389821858 37.2248689067721, 138.976417575353 37.2257612488414, 138.975881697732 37.2261449760529, 138.975342093626 37.2267625846127, 138.975230372257 37.2269791627052, 138.974763601743 37.2271895630642, 138.974406135181 37.2272964580636, 138.974077807692 37.2274588507765)) ^^http://www.opengis.net/ont/geosparql#wktLiteral