メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.174271467143 35.3543887108646, 137.174468279758 35.3544261631961, 137.174760744202 35.3544960038754, 137.175103181431 35.3545588691295, 137.174964313092 35.3550481010604, 137.174863563395 35.3554038106667, 137.174386030835 35.3553046143148, 137.174245016218 35.3552825805876, 137.17421876217 35.355184202903, 137.174223421684 35.3550136398989, 137.17413921045 35.3549350531893, 137.174064350613 35.3548661145228, 137.173666393482 35.3542194499165, 137.174027307045 35.3543282318824, 137.174271467143 35.3543887108646)) ^^http://www.opengis.net/ont/geosparql#wktLiteral