メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.399056229956 43.8125666377827, 142.398908428377 43.812647682225, 142.398423668486 43.8129849228853, 142.398095767069 43.8132232277273, 142.397935019831 43.8133268605326, 142.397465675496 43.8136780177877, 142.3970172604 43.8140219028907, 142.396545863337 43.8143702469876, 142.396525420641 43.8143853392419, 142.395056993796 43.8132957925775, 142.394920148768 43.8132120191974, 142.395416140296 43.8128605828353, 142.395866590233 43.8125062123298, 142.396346023325 43.8121607667955, 142.396852408728 43.8118198156956, 142.397405505335 43.8113790162575, 142.398613395275 43.8122564713697, 142.399056229956 43.8125666377827)) ^^http://www.opengis.net/ont/geosparql#wktLiteral