/位置/位置/區域屬性用於查詢覆蓋一定面積的位置。所以你的查詢尋找以(45.1603653,10.7976976)爲中心的建築物,其覆蓋面積爲100km。自然沒有匹配的結果。
在這些座標100km範圍內搜索主題需要多一點工作。您需要使用仍處於Alpha版的Geosearch service。下面的查詢應該給你,你要尋找的結果:
http://www.freebase.com/api/service/geosearch?location={%22type%22:%22Point%22,%22coordinates%22:[10.7976976,45.1603653]}&type=/architecture/building&within=100&indent=1
一旦你有建築物的列表中,你可以查詢MQL Read API,找出哪些是教會這樣的:
[{
"id": null,
"name": null,
"type": "/architecture/building",
"building_function" : [{"name" : 'church'}],
"filter:id|=":[
"/en/verona_arena",
"/en/basilica_palladiana",
"/en/teatro_olimpico",
"/en/palazzo_del_te",
"/en/villa_capra_la_rotonda",
"/en/villa_badoer",
"/en/san_petronio_basilica",
"/en/palazzo_schifanoia",
"/en/palazzo_chiericati",
"/en/basilica_di_santandrea_di_mantova",
"/en/basilica_of_san_domenico",
"/en/castello_estense",
"/en/palazzo_dei_diamanti",
"/en/villa_verdi",
"/en/cathedral_of_cremona",
"/en/monte_berico",
"/en/villa_pojana",
"/en/san_sebastiano",
"/en/cremona_baptistery",
"/en/palazzo_della_pilotta"
]
}]
現在它只有匹配的2個結果,因此您可能需要編輯其中的一些主題以將它們標記爲教堂。