メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.181232383372 34.8256158034352, 138.18205963135 34.8256602158192, 138.182928351048 34.8256967711063, 138.183109320076 34.82570872091, 138.183218202003 34.825711116357, 138.184395147378 34.8257360648138, 138.184301444061 34.8261549353907, 138.184253060369 34.8263712331887, 138.184188476426 34.8266599590807, 138.184046832048 34.8272451248568, 138.183920993844 34.8277650461233, 138.183791033716 34.8283017879593, 138.183697317043 34.8286888980784, 138.183644754446 34.8288349694431, 138.182897653968 34.8288229623837, 138.181979755608 34.828818042816, 138.181968475349 34.8293838995268, 138.181967846261 34.8299509107395, 138.181699607266 34.8299149288828, 138.181590858124 34.8303832716089, 138.180870646942 34.8302535672138, 138.180293355413 34.8301669821168, 138.180316259788 34.8300057619497, 138.180317379151 34.8297115182349, 138.180320241312 34.8293631905978, 138.18031723117 34.8287851122136, 138.180326774959 34.8285158216537, 138.18033330253 34.828264693506, 138.180340175378 34.827727421358, 138.180357489858 34.8271894012156, 138.18036881282 34.8266159402557, 138.180369302454 34.8265993202144, 138.180383581436 34.8261015769881, 138.180388994261 34.8255829631087, 138.181232383372 34.8256158034352)) ^^http://www.opengis.net/ont/geosparql#wktLiteral