メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.85410784805 35.1044947453163, 136.85408115509 35.1044505956018, 136.854051785411 35.1044831930338, 136.853918872686 35.1042896956306, 136.852908439539 35.1044291775656, 136.852212063331 35.1045315153221, 136.852024563045 35.1037604469478, 136.852768559343 35.1037182332603, 136.853531176023 35.1036750073411, 136.853613427776 35.1036783890005, 136.853823979949 35.103665837842, 136.854512808405 35.1036246682014, 136.855498253027 35.1035736275965, 136.855478653211 35.1036676530992, 136.855380738367 35.1039208990207, 136.855245248177 35.104296149472, 136.854571512924 35.1043946841412, 136.85410784805 35.1044947453163)) ^^http://www.opengis.net/ont/geosparql#wktLiteral