メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.170768135881 35.3736671711756, 137.17077561447 35.3740616774411, 137.170761961637 35.3741359033318, 137.170541020299 35.3747459792521, 137.170483916206 35.3748354877982, 137.17042557199 35.3748761229322, 137.170320051912 35.3749229563723, 137.169494049272 35.3752780435399, 137.169284677821 35.3749501599716, 137.168800478107 35.3738003784611, 137.168728462221 35.3735950277032, 137.168698668197 35.3735258728993, 137.168671350262 35.3734526337808, 137.168653968329 35.373389605704, 137.168641554127 35.373324535884, 137.168624172624 35.3732127046638, 137.168616695827 35.3725680572738, 137.169090921379 35.3725660091113, 137.170759370729 35.3725781581454, 137.170768135881 35.3736671711756)) ^^http://www.opengis.net/ont/geosparql#wktLiteral