メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.870310242252 35.2381692112075, 136.86975097235 35.238188399528, 136.869727970772 35.238305599555, 136.869684902607 35.2384227492788, 136.869094396237 35.2384100264543, 136.868688150988 35.2384171925234, 136.86777398638 35.238448875371, 136.867826653576 35.2378740657184, 136.867846195464 35.2374430496127, 136.868659297743 35.2373886509787, 136.869207047461 35.2373379586308, 136.86930879735 35.2372636308051, 136.869399907563 35.2372118123366, 136.869490857425 35.2371981624984, 136.869675968801 35.2371665752214, 136.869673913609 35.2371474851623, 136.870475842219 35.2370607224305, 136.870360028432 35.2377385498374, 136.870310242252 35.2381692112075)) ^^http://www.opengis.net/ont/geosparql#wktLiteral