メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.25295621118 34.8277469221167, 137.252915700193 34.8282315356977, 137.252929906165 34.828749919025, 137.252957475049 34.8289752877805, 137.252739286107 34.8294374902396, 137.252520919208 34.829730650995, 137.252302434042 34.8299111171748, 137.25149675021 34.8305653130898, 137.251264547326 34.8307007092233, 137.251032240182 34.8307346802446, 137.250185069722 34.8309268500511, 137.249445495338 34.829383451462, 137.249088443967 34.8276482106739, 137.251014864177 34.8270608668154, 137.251438415998 34.8269478747839, 137.252066784533 34.8266544253131, 137.252544863148 34.8264061573837, 137.25266778199 34.8263271835124, 137.253036514439 34.8260677221908, 137.252996095685 34.8266424912926, 137.25295621118 34.8277469221167)) ^^http://www.opengis.net/ont/geosparql#wktLiteral