メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.410846434076 34.7740176264687, 135.410780046731 34.7745361244555, 135.4107055492 34.7751787847898, 135.410311916344 34.7747921133851, 135.410262376497 34.7747433952877, 135.410205515627 34.7747484060852, 135.410175561522 34.7747486713476, 135.40991296841 34.7747507143059, 135.409942981797 34.7742960630863, 135.410031876348 34.7741555516151, 135.41017167457 34.7739850100903, 135.410255593385 34.7739211655603, 135.410553305267 34.7737652824152, 135.410784862546 34.7736743544087, 135.410899703517 34.773638686918, 135.410858671515 34.7739218798153, 135.410846434076 34.7740176264687)) ^^http://www.opengis.net/ont/geosparql#wktLiteral