メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.828470017367 35.4239365191468, 136.828745477094 35.4243474139045, 136.828861118556 35.4246482173417, 136.828905425753 35.4247048535271, 136.829083154771 35.425023154172, 136.827695025133 35.4249726270998, 136.827045710229 35.4248420800183, 136.827161982573 35.4242798204241, 136.827197395755 35.42410844619, 136.827686523459 35.4241893556125, 136.827753316999 35.4238230056707, 136.827825047982 35.4234996967174, 136.827940765336 35.423017008448, 136.828682127774 35.4231308358832, 136.828612720133 35.4232337020607, 136.82852133232 35.4233927716972, 136.828489255205 35.4235028898964, 136.8284090743 35.4238362809188, 136.828470017367 35.4239365191468)) ^^http://www.opengis.net/ont/geosparql#wktLiteral