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YQL

YQL. Kevin Murphy CMPS 183. YQL. “The Yahoo! Query Language is an expressive SQL-like language that lets you query, filter, and join data across Web services.” Uses Open Data Tables Can read a variety of file types HTML, XML, JSON, RSS, Atom, and microformat Returns results in XML or JSON.

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YQL

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  1. YQL Kevin Murphy CMPS 183

  2. YQL • “The Yahoo! Query Language is an expressive SQL-like language that lets you query, filter, and join data across Web services.” • Uses Open Data Tables • Can read a variety of file types • HTML, XML, JSON, RSS, Atom, and microformat • Returns results in XML or JSON

  3. Open Data Tables • Example: • http://www.yqlblog.net/samples/twitter.status.xml • Select/Insert/Delete Elements • Familiar to SQL users • Contain the urls, inputs, and executes elements

  4. Open Data Tables • Execute Element • Contains JavaScript • Can run on Yahoo servers • Login to accounts • Manipulate Data

  5. Uses • Read and post Twitter messages • Explore Netflix movie library • Make your own

  6. Resources • http://developer.yahoo.com/yql/ • http://developer.yahoo.com/yql/console/

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