メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.796133010752 35.689895953596, 139.79601959521 35.6903968997698, 139.79592039401 35.6908159206847, 139.795843929792 35.6912637493486, 139.795820779027 35.6914830216041, 139.79579771643 35.691704546348, 139.79577174744 35.6920324002523, 139.793366932536 35.6919140258449, 139.793381422651 35.6915754981931, 139.7934111976 35.6911416305115, 139.793434057661 35.6907087466083, 139.793489673444 35.6901752458263, 139.794181637343 35.690235473123, 139.794928065492 35.6903003963854, 139.79497536977 35.6898086526074, 139.796133010752 35.689895953596)) ^^http://www.opengis.net/ont/geosparql#wktLiteral