メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.815946510512 35.321109905257, 136.816102494768 35.321208729614, 136.816869162898 35.3216939895337, 136.817177645835 35.3221090474036, 136.817188603354 35.3221237985965, 136.816734837334 35.3223651040179, 136.816277697135 35.3225863968353, 136.815945113015 35.322387751278, 136.815678226943 35.3224940248319, 136.815398232511 35.3220094663018, 136.814151149868 35.3224981874906, 136.813504333311 35.3220831211668, 136.81427336698 35.3213010362915, 136.815005031633 35.3205134140631, 136.815787177981 35.321008959835, 136.815946510512 35.321109905257)) ^^http://www.opengis.net/ont/geosparql#wktLiteral