メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.627174624378 35.362661044885, 136.627144494014 35.362660910336, 136.627055865189 35.3626605848236, 136.62655723695 35.362645117018, 136.62647876613 35.362642724523, 136.626488414793 35.362549036082, 136.626466672385 35.3623085908293, 136.626529489186 35.3623058430263, 136.62650265801 35.3619772068443, 136.626545190085 35.3619738761854, 136.626971415473 35.3619464859845, 136.627059147633 35.3619392016665, 136.627174624378 35.362661044885)) ^^http://www.opengis.net/ont/geosparql#wktLiteral