[1] 米 Yahoo! が SQL っぽく色んなデータを取ってこれるAPIを出した - てっく煮ブログ ( 版) <http://d.hatena.ne.jp/nitoyon/20081215/yql_review>
[3] YQL - Yahoo Developer Network () <https://developer.yahoo.com/yql/>
The YQL (Yahoo! Query Language) platform enables you to query, filter, and combine data across the web through a single interface. It exposes a SQL-like syntax that is both familiar to developers and expressive enough for getting the right data.