メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.926540306576 35.0712947168937, 136.926217129091 35.0725248757851, 136.925850789003 35.0739193250944, 136.924303193804 35.0737347025098, 136.924511302739 35.0729317484763, 136.924639271164 35.0724024572911, 136.924721296575 35.0720973865008, 136.92479282572 35.0718080002873, 136.924869157684 35.0714940448239, 136.92494352014 35.0712091713808, 136.925148875299 35.0704060689112, 136.926721627492 35.0706150230768, 136.926540306576 35.0712947168937)) ^^http://www.opengis.net/ont/geosparql#wktLiteral