メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.800954573214 34.7567100017472, 135.801005961383 34.7567212135259, 135.801036374642 34.7567426737769, 135.801034794829 34.7567702798727, 135.801082887695 34.7573670432316, 135.801092148039 34.7574917196129, 135.801074308626 34.7575112704553, 135.801048730746 34.757519117068, 135.800984263794 34.7575170397569, 135.800958299118 34.757544606194, 135.800921870591 34.7574955274843, 135.800838965287 34.7566913607021, 135.800867937454 34.7566909859436, 135.800954573214 34.7567100017472)) ^^http://www.opengis.net/ont/geosparql#wktLiteral