メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.163087387334 34.6704063208992, 135.163276926762 34.6705379964704, 135.163429242913 34.6706375517526, 135.163439872542 34.6706444990582, 135.16381236534 34.670888173999, 135.163391162015 34.6713237621969, 135.163142707977 34.6715756195365, 135.162910304138 34.6717958148302, 135.161830974227 34.6710684626902, 135.162079295763 34.6708030868396, 135.162289944898 34.6705898024737, 135.162360744617 34.6705174832988, 135.162716650636 34.6701586880789, 135.163087387334 34.6704063208992)) ^^http://www.opengis.net/ont/geosparql#wktLiteral