メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.777918361488 35.6713285740714, 139.778013791641 35.671564594111, 139.7781041291 35.6718033581909, 139.778196006937 35.672053319713, 139.77752967476 35.672232581164, 139.776775720043 35.6724324670687, 139.776015232333 35.6726370981099, 139.775816506948 35.6721091380393, 139.775776323146 35.6720273617785, 139.775556521091 35.671471081729, 139.776303146254 35.6712859185127, 139.776369302299 35.6714427388163, 139.777128153449 35.6712582099769, 139.777824086665 35.671077485363, 139.777918361488 35.6713285740714)) ^^http://www.opengis.net/ont/geosparql#wktLiteral