メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.916841651214 35.1787759972567, 136.917119713981 35.1787954518061, 136.91796054834 35.1788338269853, 136.918370845223 35.1788564423491, 136.918607220768 35.1788694689694, 136.918824415026 35.1789000605741, 136.919821312461 35.1790317753581, 136.920388748063 35.1791113982053, 136.9207603374 35.179163502427, 136.920726673845 35.1793961076339, 136.920776024782 35.1794426875146, 136.920756186687 35.1795710262098, 136.920353678274 35.1795247036907, 136.920357072594 35.1794665413788, 136.920138472021 35.1794540894013, 136.920139641765 35.1793996561104, 136.919721414538 35.1793735517406, 136.919712993699 35.17942985304, 136.919194853191 35.1794003336732, 136.919200733673 35.1792997123985, 136.919075993481 35.1792793135276, 136.919038138567 35.1796057815028, 136.918151596217 35.1795470368651, 136.916777905966 35.1794512806305, 136.916800056013 35.1792069632757, 136.916118667257 35.17915659093, 136.916143364115 35.1787339700737, 136.916841651214 35.1787759972567)) ^^http://www.opengis.net/ont/geosparql#wktLiteral