メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.258484815989 34.867117497127, 138.258186363271 34.8674863026504, 138.257618912996 34.868141215992, 138.257576674661 34.8682016297674, 138.256849637154 34.8690470853381, 138.256600419039 34.8693478807922, 138.256297867767 34.869213389916, 138.256125142847 34.8691357831274, 138.256121686581 34.8691346493309, 138.256024350485 34.8690930413578, 138.255966851755 34.8690536263682, 138.255887767811 34.869002195305, 138.254857495269 34.8683692193466, 138.2546286161 34.8682389560928, 138.253730833794 34.8677489255839, 138.253743270933 34.8677259203552, 138.253690734361 34.8676990503216, 138.253735793052 34.8676392068142, 138.253811981706 34.8675564662674, 138.254047616432 34.8673940411708, 138.254454296934 34.8671731527804, 138.255616273258 34.8666112198234, 138.256192332413 34.8663448885589, 138.257856801685 34.8656144926268, 138.257918905484 34.8656566619997, 138.258639409147 34.8661761718833, 138.259060356716 34.8664747805271, 138.259044191499 34.8664947506596, 138.258760299307 34.8668013969363, 138.258676568541 34.8669016617596, 138.258484815989 34.867117497127)) ^^http://www.opengis.net/ont/geosparql#wktLiteral