メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.456686621619 35.4735176959069, 139.457153906451 35.4736595674597, 139.457209784843 35.473676535542, 139.45722435563 35.4736815915, 139.457702073511 35.4738473509243, 139.457885399352 35.4739036568433, 139.458627393406 35.4741586886797, 139.45909786852 35.4743195008966, 139.458573239853 35.475319126294, 139.458440642879 35.4755725142851, 139.457974402125 35.476463501308, 139.457911816338 35.4765830779556, 139.457487035312 35.4773689989853, 139.457465022813 35.4774097348744, 139.456268330485 35.4769268318313, 139.455254463625 35.4765188088848, 139.454562871112 35.4762354016166, 139.454708116163 35.4759491008659, 139.454922249462 35.4755307456911, 139.455282794142 35.4748240878624, 139.455303255059 35.4747841323726, 139.455681548688 35.4740453768301, 139.455696408601 35.4740159028462, 139.455891126972 35.4736297059724, 139.455897595871 35.4736168748888, 139.456060544485 35.4732936790755, 139.456686621619 35.4735176959069)) ^^http://www.opengis.net/ont/geosparql#wktLiteral