メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.946283292455 34.7983534232984, 134.94507117135 34.7978554193692, 134.943792913205 34.7975328226181, 134.943151454817 34.7974835126808, 134.942650674959 34.7975175836055, 134.94207229756 34.7976976880344, 134.941761859826 34.797725587503, 134.941436440102 34.797719192234, 134.941541031638 34.7955070706892, 134.941662597672 34.794185359667, 134.94271498506 34.7942478236749, 134.945037603573 34.7943686669537, 134.94632004978 34.7944390944468, 134.946267934594 34.7951356160002, 134.946281483055 34.7966093370144, 134.946283292455 34.7983534232984)) ^^http://www.opengis.net/ont/geosparql#wktLiteral