メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.105760761986 35.5067267741578, 140.105293720535 35.5072536804435, 140.104555514018 35.5080880144544, 140.104378392815 35.5082903774256, 140.104377227946 35.5082894975575, 140.102738262998 35.5070863593157, 140.100973079361 35.5057769602392, 140.101448724179 35.5053306075921, 140.102611317458 35.5042861358419, 140.104306949004 35.5056262314156, 140.105760761986 35.5067267741578)) ^^http://www.opengis.net/ont/geosparql#wktLiteral