メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.678038662421 34.8044952310036, 134.677525816845 34.8046583943711, 134.677116346216 34.8047898507313, 134.67667482652 34.8049247780436, 134.675982759655 34.8035322245653, 134.676332858843 34.8034202376323, 134.676526697892 34.8038312808535, 134.676684934613 34.8037850538537, 134.676652905801 34.8037002059187, 134.676787405846 34.8036591169294, 134.676877258257 34.803830288428, 134.677142309692 34.803747838826, 134.677297138902 34.8040684191242, 134.677433625537 34.8040271822415, 134.677503485704 34.8041593920339, 134.677830846338 34.8040563396775, 134.678038662421 34.8044952310036)) ^^http://www.opengis.net/ont/geosparql#wktLiteral