メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.336484576769 43.0623953767267, 141.337066309621 43.062466555783, 141.336945216166 43.0629930587888, 141.336928300162 43.0630664182425, 141.336773284217 43.0636680431335, 141.336448481563 43.0636242353022, 141.33627904566 43.0636013606508, 141.33600593828 43.0635645048044, 141.335639912281 43.0635193802782, 141.335213664421 43.0634668104571, 141.335423750328 43.0626138488881, 141.335533008194 43.0622521041637, 141.335888024865 43.0623055615055, 141.336080041025 43.0623344739881, 141.336484576769 43.0623953767267)) ^^http://www.opengis.net/ont/geosparql#wktLiteral