メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.159875709871 34.3236325179902, 135.160230098434 34.3239618939607, 135.159885792769 34.3239589707711, 135.159406979588 34.3239423051529, 135.1590508253 34.3239270437445, 135.159016981006 34.3237365028644, 135.158945656252 34.3235671162154, 135.158960671089 34.3234062104996, 135.158839014774 34.3232955009696, 135.158707611514 34.3232514948048, 135.158758035813 34.3231239356454, 135.159039862941 34.3232712423899, 135.159212990184 34.3233538496986, 135.159661174886 34.323487928446, 135.159875709871 34.3236325179902)) ^^http://www.opengis.net/ont/geosparql#wktLiteral