メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.227244765838 34.7103157704529, 135.227094904856 34.710591821873, 135.227083507381 34.7106106391824, 135.226955473561 34.710822722574, 135.226646276293 34.7107483657222, 135.226459882677 34.7106731073486, 135.225969412249 34.7104919007758, 135.226063618847 34.7102665442388, 135.226182799976 34.7099766334287, 135.226323175745 34.709635154757, 135.227146643811 34.7098206769877, 135.22731074354 34.7098532777267, 135.227469239903 34.7098723971978, 135.227244765838 34.7103157704529)) ^^http://www.opengis.net/ont/geosparql#wktLiteral