メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.861742647123 35.2448771979382, 136.861335244324 35.2448874344567, 136.861091032771 35.2449077312995, 136.860373600898 35.2449096432669, 136.859160380989 35.2449076812563, 136.859187901307 35.2430808927153, 136.860315534131 35.2430827076847, 136.860390293429 35.2430792351252, 136.861021506753 35.243088864898, 136.861015355945 35.2439521732316, 136.861016772318 35.2440956995061, 136.861010763477 35.2443994221685, 136.861733801621 35.2443837169825, 136.861740689717 35.244619653841, 136.861742647123 35.2448771979382)) ^^http://www.opengis.net/ont/geosparql#wktLiteral