メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.985821988826 37.5611226228045, 140.984374419024 37.5613168434837, 140.983922427457 37.5613544869626, 140.983656350171 37.5613601834367, 140.983562905105 37.5609765959563, 140.983326761331 37.5603356271932, 140.984184639309 37.5602303807773, 140.986079499406 37.5603147784123, 140.987063343798 37.5603672391173, 140.987356316805 37.5603854895938, 140.987557437247 37.5603594452946, 140.987986427413 37.5603158212887, 140.988663978618 37.5602320262545, 140.988826715445 37.5609205888927, 140.988103623324 37.5610048295034, 140.987524530011 37.5610573869171, 140.987477034862 37.5609307174932, 140.986683639828 37.5610263390049, 140.985821988826 37.5611226228045)) ^^http://www.opengis.net/ont/geosparql#wktLiteral