メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.253364688423 34.8340783834535, 138.253182971623 34.8341689308809, 138.253165203415 34.8341334686856, 138.252501737564 34.8326006344384, 138.251712166985 34.8306802457964, 138.251625987106 34.830216296248, 138.251541428358 34.8298037623018, 138.251216226962 34.8291890891746, 138.250645910609 34.8280672384279, 138.250587835559 34.8277682172758, 138.251712914228 34.8274451908156, 138.252645258122 34.8276296853925, 138.253086778914 34.8275967272418, 138.255006882537 34.8273621600413, 138.255026640183 34.8273598064378, 138.255238197564 34.828503361744, 138.255611075276 34.8303363820339, 138.255741407262 34.8308311946314, 138.255432150447 34.8310971295281, 138.255338446996 34.8312358917524, 138.255253571218 34.8314439731737, 138.255130069241 34.8319830564468, 138.255016419351 34.8322517868926, 138.254877462453 34.8324275715429, 138.25465544044 34.8327036143217, 138.254394238617 34.832991902028, 138.254264399569 34.833137913809, 138.25412408998 34.8332579151734, 138.253767618747 34.8337134127337, 138.253364688423 34.8340783834535)) ^^http://www.opengis.net/ont/geosparql#wktLiteral