メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.049062929821 35.7798168860581, 140.049140407779 35.7799640957325, 140.049321577463 35.7802540152503, 140.049617440079 35.7807274831966, 140.049771668338 35.7810154781114, 140.048457523413 35.7817533621053, 140.047902477891 35.7810107417095, 140.047655040228 35.7811336562532, 140.047335269544 35.7812951295529, 140.046821939558 35.7815730116796, 140.046208727226 35.7818546474634, 140.045978644086 35.781506912317, 140.04570876366 35.7816521514133, 140.045626290167 35.7815673579228, 140.045628346905 35.7801341122772, 140.045621620123 35.7798146915938, 140.045932876439 35.7797698809852, 140.046951983356 35.7796729452305, 140.047442480077 35.7796499465919, 140.04902523552 35.7795462505053, 140.049045666092 35.7797840854411, 140.049062929821 35.7798168860581)) ^^http://www.opengis.net/ont/geosparql#wktLiteral