メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.178131586323 35.0706495914075, 137.178055288781 35.0723893751219, 137.177253327725 35.072386355999, 137.175712248356 35.0703443122158, 137.175892741172 35.07024760435, 137.176063450661 35.0701706160127, 137.176253119982 35.0700798211502, 137.176534018403 35.0699336650157, 137.176762103497 35.0698132165253, 137.176964971683 35.0697056595682, 137.177169046135 35.0696069740775, 137.177301089216 35.0695339312296, 137.177625222709 35.0695851689695, 137.177882126382 35.0696246515998, 137.178122217918 35.0695831472563, 137.178229047065 35.0695091188335, 137.178131586323 35.0706495914075)) ^^http://www.opengis.net/ont/geosparql#wktLiteral