メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.210751712498 34.704821744026, 135.210560980267 34.7053662612938, 135.209565037753 34.7051210165551, 135.209620382079 34.7049835644635, 135.209663701399 34.7048781727805, 135.209802354205 34.7045941936418, 135.209955014211 34.7043203963857, 135.210409011422 34.7044140375136, 135.210890463962 34.7045232550721, 135.210751712498 34.704821744026)) ^^http://www.opengis.net/ont/geosparql#wktLiteral