1. YQL
Markandey Singh
(HackU IIT Kanpur)

2. Hello

3. I am
Markandey

4. I am
{Markandey}

5. Yahoo Query Language

6. YQL
is not a
language

7. The YQL Web Service enables applications to query,
filter, and combine data from different sources
across the Internet.

8. This is YQL Console
YQL is not a language

10. URL output
http://query.yahooapis.com/{query}
<xml> {
‘json’:’json’
</xml }

11. Lets see with example

12. select * from flickr.photos.interestingness

13. Here is the code

14. JSON
{
“name”: “markandey”
}

15. JSON with callback
foo ({
“name”: “markandey”
});

16. This is what you get
http://bit.ly/yqlflickr

17. Page Scraping
select * from html where
url=“------" and
xpath=“--------”;

18. Faculty at IIT Kanpur

19. URL
select * from html where
url=“http://www.cse.iitk.ac.in/peopl
e/faculty.html" and
xpath=“……..”;

20. XPATH
select * from html where
url=“http://www.cse.iitk.ac.in/peopl
e/faculty.html" and
xpath=“//div[@id="permanent-
faculty"]/ul//a”;

21. This is what You get
http://bit.ly/ iitkfaculty

22. ChromYQLip
chromy-clip

23. Content Analysis with YQL
http://bit.ly/yqlcap

24. One catch with CAP

25. One catch with CAP
URL length is
limited , so you
have to switch
back to POST,
method on YQL.

26. iTunes Store Top 10 Songs

27. iTunes Store Top 10 Songs

28. Youtube search

29. Language sugar: randomize

30. Some more???

31. Some more???

32. Lets see some more hacks

33. Picture me
http://bit.ly/pikme

34. What else YQL can do????

35. You can create your own table
Read more
bit.ly/yqlODT

36. My random hello!! table

37. You can store
secrets on YQL

38. Twitter oauth
SELECT * FROM twitter.STATUS.timeline.friends
WHERE oauth_consumer_key = '9DiJt6Faw0Dyr61tVOATA'
AND oauth_consumer_secret =
'XBF9j0B2SZAOWg44QTu6fCwYy5JtivoNNpvJMs6cA'
AND oauth_token = '18342542-NkgUoRinvdJVILEwCUQJ3sL2CIm2ZwzS5jjj2Lg7y'
AND oauth_token_secret =
'D6ewAzsueTzQmrAJGFH0phV5zgWT88FOtcMeqW4YeI';
oauth_consumer_key
oauth_consumer_secret YQL
oauth_token
Local
storage
oauth_token
38

39. Read more here
http://bit.ly/yqloauth

40. More Hacks example here
http://www.purplegene.com/
http://bit.ly/markhack

41. Siri vs fake

42. Reach me
@markandey