メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.174773738572 34.6806616056349, 135.175179811111 34.6808886750369, 135.175050327725 34.6810338072861, 135.174893928897 34.681215184682, 135.174182374949 34.6820742543231, 135.173688272665 34.6817756710978, 135.173328712893 34.6815617979622, 135.173947139531 34.6809355074581, 135.174111906352 34.6807721030553, 135.174279354916 34.6806041725005, 135.174425161348 34.6804544208636, 135.174773738572 34.6806616056349)) ^^http://www.opengis.net/ont/geosparql#wktLiteral