メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.863681784472 35.1295827045414, 136.861764008085 35.1295382209195, 136.861758952576 35.1295380675105, 136.861744020526 35.1291216608909, 136.861743185539 35.1291216587795, 136.861702120251 35.1287599785779, 136.861657943286 35.1283709648896, 136.861636653661 35.1281835025172, 136.862066027448 35.1281949419792, 136.862078651772 35.1279001649438, 136.863908634982 35.1279562603185, 136.863842966169 35.1284104204055, 136.863784091417 35.1287948071397, 136.863723217067 35.1291922169517, 136.863681784472 35.1295827045414)) ^^http://www.opengis.net/ont/geosparql#wktLiteral