メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.171818505012 36.2587386929735, 140.171760485388 36.2587161676809, 140.171714025244 36.2587084677731, 140.171449236793 36.2586645776791, 140.17087242197 36.2586347204742, 140.170266517419 36.258618057956, 140.169605392305 36.2585727148935, 140.169087048997 36.2585741761588, 140.168551425555 36.2585250921592, 140.168737482606 36.2575111914207, 140.170141090096 36.2576879960775, 140.172069302389 36.258321232129, 140.171985998048 36.2584327359134, 140.171818505012 36.2587386929735)) ^^http://www.opengis.net/ont/geosparql#wktLiteral