メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.232114604457 35.3646233025509, 137.231955325371 35.3645678932506, 137.230744429933 35.3641549341002, 137.23032519135 35.3640439532334, 137.230049623813 35.3639880375963, 137.230021943522 35.363984883289, 137.230016233247 35.3639434772959, 137.230134993143 35.3636006703685, 137.229965613668 35.3635283620715, 137.229898064532 35.3634329742864, 137.229841490871 35.3632661018551, 137.229692572388 35.3626642049788, 137.229520343933 35.3620431655333, 137.230450417169 35.3617571981698, 137.231214647105 35.3615335641049, 137.231448064242 35.3623828784887, 137.231893177352 35.3638546870169, 137.232114604457 35.3646233025509)) ^^http://www.opengis.net/ont/geosparql#wktLiteral