メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.22147881483 34.7103872630263, 135.222040370437 34.7105814918044, 135.222070509467 34.7105925403505, 135.221972722352 34.7108907422481, 135.221906066178 34.7110377190784, 135.221739547316 34.7112890946102, 135.221495053735 34.7111398801966, 135.22118204779 34.7109641204046, 135.220996719577 34.7108603931533, 135.220707047238 34.7106971386179, 135.220366658741 34.71051256138, 135.220634728957 34.7103145365728, 135.220772363186 34.7101692968774, 135.220788375459 34.7101353746915, 135.22147881483 34.7103872630263)) ^^http://www.opengis.net/ont/geosparql#wktLiteral