メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.134996317329 34.6602613334719, 135.135339387589 34.6604821914646, 135.135150253321 34.6606682421484, 135.135093630904 34.6607362265854, 135.134594065736 34.6612578702544, 135.134183261955 34.6610046350859, 135.133715859362 34.6606979625952, 135.13404547107 34.6603712607454, 135.134370385592 34.6601234689541, 135.134527074713 34.6599669317964, 135.134996317329 34.6602613334719)) ^^http://www.opengis.net/ont/geosparql#wktLiteral