メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.578037595725 37.3613400906334, 138.578047155875 37.3614007668614, 138.578130763134 37.3618612571818, 138.578240530256 37.3623615737621, 138.578350349502 37.362903706467, 138.578436400127 37.3634344515569, 138.578533684936 37.3639397033275, 138.578541472592 37.3639802474522, 138.57865838698 37.3644899932396, 138.578717619859 37.3647540864795, 138.578414959127 37.3649574592143, 138.57826011168 37.3650475315946, 138.577598688702 37.3654329062965, 138.577108049446 37.3657584693395, 138.576581875825 37.366151635635, 138.576331702132 37.3663810138596, 138.576069295066 37.3666358842362, 138.575438889473 37.3672959216402, 138.575381531085 37.3672425974097, 138.575362414726 37.3671326472111, 138.575405004464 37.366969577473, 138.57558018725 37.366431200874, 138.575736515327 37.3660253259876, 138.575855064749 37.3658320779713, 138.575468678635 37.3653709372302, 138.575456979852 37.365311387736, 138.575352886724 37.3647916359446, 138.575319262535 37.3646279104157, 138.575247870404 37.3642799079843, 138.575157073236 37.3637417020077, 138.575099538545 37.3632147401386, 138.57509983307 37.3631782725981, 138.575103739983 37.3626878774542, 138.575098430849 37.362134269073, 138.575112634635 37.3614972985468, 138.575932535712 37.3611808217876, 138.576554604599 37.3609345862322, 138.577558067182 37.3605560287755, 138.5777367335 37.3604896651966, 138.577892378057 37.3606092370899, 138.577942135204 37.3608662303084, 138.578037595725 37.3613400906334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral