メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.146761112377 34.6729077278949, 135.147185258965 34.6730423685991, 135.147041271666 34.6733813866624, 135.146854786558 34.6738378811112, 135.146423681726 34.6737155404837, 135.146009480107 34.673595620442, 135.146166912139 34.6732362305096, 135.146190954739 34.6731842347908, 135.146241525027 34.6730554360097, 135.146153811772 34.6727337422453, 135.146761112377 34.6729077278949)) ^^http://www.opengis.net/ont/geosparql#wktLiteral