メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.338188908459 38.2458099185759, 140.338460484955 38.2462881627387, 140.338499324069 38.2463587158179, 140.338623426609 38.2465705475097, 140.339121238088 38.2474501173339, 140.339593146236 38.2482677743585, 140.339739208498 38.248539809424, 140.33838767658 38.2489558852701, 140.338073691074 38.2483858156435, 140.33669179745 38.2488490456227, 140.336680795468 38.2488523777178, 140.336664536064 38.2488282355348, 140.336187763251 38.2479821079833, 140.335647206668 38.2470275892168, 140.335030999438 38.2459060637181, 140.336408346962 38.2454614187324, 140.337726013359 38.2450759149697, 140.337811768672 38.2451442727981, 140.337960906904 38.2454084402547, 140.338188908459 38.2458099185759)) ^^http://www.opengis.net/ont/geosparql#wktLiteral