メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.909661796146 34.033186080079, 131.909666931823 34.0334768628164, 131.909666862166 34.0335001072922, 131.908929795981 34.0342776070215, 131.908720748763 34.0344982033311, 131.908268515561 34.0350014475869, 131.907962631367 34.0350268625877, 131.907753917012 34.0350443107557, 131.907583420394 34.0347483878151, 131.907902125439 34.0345960702696, 131.907947092709 34.0345477036479, 131.907958600613 34.0344488322891, 131.90780676736 34.0342618475027, 131.907547871251 34.033906708066, 131.907279542031 34.0337046833379, 131.906814533163 34.0333268459952, 131.906670608556 34.0331631213078, 131.906640320302 34.0331286826154, 131.90648996518 34.0327916648191, 131.906437757053 34.0326749067389, 131.906855425168 34.0317257165086, 131.907451184943 34.0317869964109, 131.908024782811 34.031825545385, 131.908428145936 34.0318338665003, 131.908728262588 34.0318104106425, 131.9089392276 34.0317938102109, 131.909560351638 34.0316776273239, 131.909634883675 34.031657357202, 131.909647353477 34.0323659988398, 131.909661796146 34.033186080079)) ^^http://www.opengis.net/ont/geosparql#wktLiteral