メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.63767762739 34.8087357091706, 134.638153948159 34.8088693143331, 134.637960201534 34.8092816690269, 134.637909591686 34.8094920964916, 134.637873463823 34.8097278419798, 134.63783532642 34.8108170498345, 134.637332282263 34.8107923926745, 134.636009219383 34.8107659790581, 134.635965561508 34.8107651007656, 134.636022513511 34.8099278417694, 134.636051966922 34.8094642056337, 134.636088703167 34.8092004284965, 134.636194730004 34.8086027868421, 134.636260909627 34.8083173850828, 134.636312419058 34.8083347228269, 134.63767762739 34.8087357091706)) ^^http://www.opengis.net/ont/geosparql#wktLiteral