メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.027148376741 34.8860687949919, 137.026874651641 34.8862037036964, 137.026573632638 34.8863047742339, 137.026081201476 34.8863830848196, 137.026041146019 34.8858083353716, 137.026014195512 34.8855716616667, 137.025932526922 34.8853461930692, 137.025878550777 34.8849179201764, 137.025797111569 34.8845572273972, 137.026344212677 34.8844902505189, 137.027690894479 34.8833304960535, 137.027837554323 34.8834387734053, 137.027957465092 34.8835272294002, 137.028727477489 34.8840459050305, 137.029205030108 34.8843635197617, 137.027921860349 34.885456385948, 137.027394788912 34.885911316968, 137.027148376741 34.8860687949919)) ^^http://www.opengis.net/ont/geosparql#wktLiteral