メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.948646831569 38.2568735107934, 140.949882145042 38.256871173484, 140.949910030084 38.2568711459961, 140.949913825254 38.257705544905, 140.949917116796 38.2584383023789, 140.949920939535 38.2592845265744, 140.949910046076 38.2599283248425, 140.949886852048 38.2599315848727, 140.948996417996 38.2600554974181, 140.948930032246 38.2600558431483, 140.946383775062 38.2600674544237, 140.944585920804 38.2600757248886, 140.944173654295 38.2600804970204, 140.942827031809 38.2600829450185, 140.94280115094 38.2595698293449, 140.942800179337 38.2588960592535, 140.942799536628 38.2584503524563, 140.942798929862 38.2580295624368, 140.9427980375 38.2574106965554, 140.942797279745 38.2568851675355, 140.942802535794 38.2568851624121, 140.946178735263 38.2568783034846, 140.94620559367 38.2568782765274, 140.948646831569 38.2568735107934)) ^^http://www.opengis.net/ont/geosparql#wktLiteral