メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.485689451389 40.5525600572017, 141.485555650834 40.552691359735, 141.485384451404 40.5528669579222, 141.485027153751 40.5531896777561, 141.484604825843 40.553465161384, 141.484301442859 40.5535462401714, 141.483976751846 40.5535798396998, 141.483958998238 40.5534992368355, 141.483945445255 40.5534144603009, 141.483887248008 40.5533105150595, 141.483787561385 40.5531947034592, 141.484065341342 40.552918171677, 141.484528372008 40.552298399065, 141.484443192972 40.5522658096626, 141.484539384896 40.5520787427603, 141.485689451389 40.5525600572017)) ^^http://www.opengis.net/ont/geosparql#wktLiteral