メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.622751893351 35.3477202300494, 136.622750711079 35.3477106473204, 136.622584703948 35.3463696964875, 136.623993286887 35.346265114095, 136.62592838398 35.3461089293046, 136.62773171631 35.3459720542905, 136.627581917314 35.3462167374424, 136.627350712503 35.3466829565459, 136.627249575971 35.3468407438685, 136.627203543361 35.3469387769551, 136.627120646883 35.3471519980429, 136.627065754033 35.3473997091871, 136.627057691252 35.3474360808666, 136.625258957843 35.3475547967989, 136.622751893351 35.3477202300494)) ^^http://www.opengis.net/ont/geosparql#wktLiteral