メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.177774445904 34.240344995878, 135.177392809093 34.2403358155064, 135.177393989667 34.2402142524415, 135.177180824912 34.2402183160892, 135.177181099957 34.2401900023995, 135.177200610665 34.2396569407974, 135.177212419473 34.2392531456395, 135.177787466354 34.2392744715949, 135.17779951185 34.2395100869504, 135.177953916567 34.2395046428304, 135.177951655957 34.2399997857629, 135.178010497783 34.2400013072662, 135.178004540296 34.2403442849428, 135.177774445904 34.240344995878)) ^^http://www.opengis.net/ont/geosparql#wktLiteral