メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.747098624938 35.4219899338082, 136.747081050906 35.4221112785184, 136.746786188037 35.4226096446834, 136.74609085288 35.4223881794299, 136.746143555916 35.4222287192353, 136.746079367076 35.4222143402156, 136.746017163579 35.4221989125574, 136.746068527497 35.4220074412641, 136.746040338363 35.422002063621, 136.746115330997 35.4217990530221, 136.746121089562 35.4218002007177, 136.74621179101 35.4214133418434, 136.746260513114 35.4214240036514, 136.746267486987 35.4214256396148, 136.747178768443 35.4216393725883, 136.747098624938 35.4219899338082)) ^^http://www.opengis.net/ont/geosparql#wktLiteral