メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.234262126543 35.2473187772492, 136.234138707641 35.2473664769852, 136.234001400191 35.2474138495254, 136.233766585484 35.247445069085, 136.233379665125 35.2475871394793, 136.233199891153 35.2476448736692, 136.233337271338 35.2473538367085, 136.233475203681 35.2471275886305, 136.233748809302 35.247114606686, 136.233870018177 35.2470076866852, 136.233939264431 35.2469505834249, 136.234085291039 35.247099110878, 136.233981778941 35.2471588850904, 136.234051066013 35.2472434022742, 136.234166981383 35.2471909988234, 136.234262126543 35.2473187772492)) ^^http://www.opengis.net/ont/geosparql#wktLiteral