メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.763689890704 35.42638138706, 136.763212169146 35.4264802638062, 136.762953236892 35.4257227854454, 136.762851321945 35.4254396087251, 136.763667192248 35.4252537557938, 136.763941536053 35.4260446609208, 136.764017152037 35.4260286793114, 136.764100937575 35.4262994715119, 136.764015714632 35.4263180273684, 136.763917585913 35.4263371048648, 136.763689890704 35.42638138706)) ^^http://www.opengis.net/ont/geosparql#wktLiteral