メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.237890956238 34.8378313259659, 137.237934751018 34.8382787572548, 137.237945987768 34.8384063045748, 137.23790515828 34.8386091746971, 137.237872148481 34.8390961641019, 137.237823529239 34.8392488908045, 137.23772573405 34.8395434277657, 137.237683772412 34.8396185344329, 137.237606812861 34.8397109875338, 137.237436159805 34.8398817466341, 137.237375882606 34.8399420724873, 137.237235917811 34.8400692157812, 137.237172932892 34.8401270071064, 137.237081921172 34.8401732643707, 137.23699089192 34.8401964196897, 137.236612070855 34.8402156574356, 137.236003487183 34.8402427055275, 137.23603383126 34.8400414621413, 137.236033633528 34.8398048087072, 137.235992341959 34.8394667560768, 137.235814645441 34.8394555894802, 137.235814759159 34.8395921813498, 137.235459392477 34.8396022937044, 137.235158699892 34.8396137351146, 137.234803343353 34.8396364760911, 137.234570973517 34.8396253387507, 137.234391701659 34.8396388910921, 137.234339105482 34.8388379621965, 137.234351308003 34.8384083863068, 137.234351115691 34.8381717328236, 137.235854457886 34.8380243756756, 137.236442123851 34.8379564199586, 137.237890956238 34.8378313259659)) ^^http://www.opengis.net/ont/geosparql#wktLiteral