メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.185828156572 36.2395966970337, 137.186094352073 36.2398444747466, 137.186114712812 36.23986343112, 137.186366699304 36.2401074789863, 137.186647531084 36.2403720656221, 137.186669736889 36.2403915317221, 137.186927483812 36.2406295747217, 137.184221673472 36.2423303763085, 137.181111062175 36.2443107635884, 137.180883673323 36.2440892543626, 137.180617384234 36.2438106278731, 137.180343854609 36.2435688463587, 137.180071651009 36.2433046365544, 137.179772414958 36.2430260124424, 137.180971602303 36.242263593293, 137.182920558885 36.2410547380079, 137.185288916484 36.2395481043867, 137.185583589616 36.2393773258439, 137.185828156572 36.2395966970337)) ^^http://www.opengis.net/ont/geosparql#wktLiteral