メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.829476742717 34.0463550025313, 131.830079311331 34.0469210218175, 131.831015717891 34.0477674551614, 131.831540053243 34.0482850703664, 131.83095901407 34.0486910467399, 131.830707401684 34.0488585677269, 131.830469279632 34.0490218992946, 131.830322779266 34.0491225082389, 131.829691362859 34.0495690553852, 131.829431670793 34.0497504992602, 131.828755908039 34.0502222788137, 131.827795360962 34.0508714814189, 131.827412324867 34.0511303477748, 131.827395375339 34.0511418526468, 131.827348064161 34.0510690279844, 131.827063460409 34.0504775324913, 131.826941552207 34.0502617902168, 131.826799560795 34.0500106310994, 131.826558584019 34.0495842242492, 131.825835978611 34.0483019024402, 131.826289752553 34.0479735028428, 131.826745566806 34.0476263715777, 131.827222503025 34.0472705605414, 131.828355086282 34.0464143230513, 131.828446547263 34.0463487842795, 131.829034094657 34.0459221292282, 131.829476742717 34.0463550025313)) ^^http://www.opengis.net/ont/geosparql#wktLiteral