メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.027781125049 35.1940926917654, 137.028647408495 35.1943544664968, 137.028912997424 35.1944347015587, 137.029330497352 35.1945487713312, 137.029495139067 35.1945940301817, 137.029550233508 35.1944814159572, 137.029555834257 35.1944667743243, 137.029590000985 35.194377587458, 137.029847041793 35.1937784380704, 137.030443332143 35.1939528489453, 137.031592464526 35.1943104174706, 137.031512025301 35.19447948345, 137.03140462875 35.1947052803755, 137.03109861042 35.1954336751295, 137.030904041841 35.1958833900272, 137.030899970447 35.1958943710041, 137.029750693646 35.1955726412602, 137.028569409574 35.1952288914243, 137.027468316351 35.1948983220152, 137.026308439938 35.1945457735618, 137.026517798972 35.1940895355805, 137.026655190918 35.1937569461733, 137.026659146559 35.1937580775488, 137.027049068277 35.193872404989, 137.027781125049 35.1940926917654)) ^^http://www.opengis.net/ont/geosparql#wktLiteral