メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.247469146491 35.3439512819334, 137.247626502407 35.3445928793239, 137.247729435311 35.3450125359295, 137.247764923759 35.3451640632308, 137.246863100732 35.3453537970619, 137.246584689178 35.3454156651444, 137.246439350093 35.3454501945276, 137.246272356425 35.3453621318655, 137.2462393172 35.3453608142747, 137.24622010041 35.345195755301, 137.245786349146 35.345207369078, 137.245665908606 35.3440477855994, 137.24564333506 35.3437885013104, 137.245634979186 35.3436235748738, 137.245621671708 35.3435194973426, 137.245604587402 35.3432904215321, 137.247055409377 35.3431903398158, 137.247338087383 35.3435397405657, 137.247374709192 35.3435936616847, 137.247395254072 35.3436499169636, 137.247469146491 35.3439512819334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral