YQL (IITK PPT)

YQL

Markandey Singh

(HackU IIT Kanpur)

I am

Markandey

I am

{Markandey}

Yahoo Query Language

YQL is not a

language

The YQL Web Service enables applications to query, filter, and combine data from different sources

across the Internet.

This is YQL Console

YQL is not a language

URL output

http://query.yahooapis.com/{query}

<xml>

</xml

{‘json’:’json’

}

Lets see with example

select * from flickr.photos.interestingness

Here is the code

JSON

{“name”: “markandey”}

JSON with callback

foo ({“name”: “markandey”});

This is what you get

http://bit.ly/yqlflickr

Page Scraping

select * from html where url=“------" and

xpath=“--------”;

Faculty at IIT Kanpur

select * from html where url=“http://www.cse.iitk.ac.in/peopl

e/faculty.html" andxpath=“……..”;

URL

select * from html where url=“http://www.cse.iitk.ac.in/peopl

e/faculty.html" andxpath=“//div[@id="permanent-

faculty"]/ul//a”;

XPATH

This is what You get

http://bit.ly/iitkfaculty

ChromYQLipchromy-clip

Content Analysis with YQL

http://bit.ly/yqlcap

One catch with CAP

One catch with CAP

URL length is limited , so you have to switch back to POST, method on YQL.

iTunes Store Top 10 Songs

Youtube search

Language sugar: randomize

Some more???

Lets see some more hacks

Picture me

http://bit.ly/pikme

What else YQL can do????

You can create your own table

Read more bit.ly/yqlODT

My random hello!! table

You can store

secrets on YQL

Twitter oauth

38

SELECT * FROM twitter.STATUS.timeline.friendsWHERE oauth_consumer_key = '9DiJt6Faw0Dyr61tVOATA'AND oauth_consumer_secret = 'XBF9j0B2SZAOWg44QTu6fCwYy5JtivoNNpvJMs6cA'AND oauth_token = '18342542-NkgUoRinvdJVILEwCUQJ3sL2CIm2ZwzS5jjj2Lg7y'AND oauth_token_secret = 'D6ewAzsueTzQmrAJGFH0phV5zgWT88FOtcMeqW4YeI';

YQL

Local storage

oauth_token

oauth_token

oauth_consumer_key

oauth_consumer_secret

YQL (IITK PPT)

Technology

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