メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.154298818259 35.0860570179968, 137.154282386448 35.0859714476238, 137.154196445603 35.0855912751323, 137.15404098427 35.0849523458411, 137.154162517328 35.0849203177771, 137.155479626091 35.084574197316, 137.155502491028 35.084565608288, 137.155503673036 35.0847681543314, 137.15552073717 35.0848945723553, 137.155547347532 35.0850664863017, 137.155608489984 35.0853618617361, 137.155667018976 35.0855423721393, 137.155708479895 35.0856386491591, 137.155324593769 35.0856764930452, 137.155380280134 35.0858943281124, 137.154298818259 35.0860570179968)) ^^http://www.opengis.net/ont/geosparql#wktLiteral