1. YQL: Master of Mix

2. Hello!!
IIT Madras

4. Mixing is amazing!!

5. Mix Chemicals

6. Classic result of mixing

7. Classic result of mixing
Steel

8. Mix Drinks

9. Mix Music

10. DATA

11. DATA

12. I am Markandey Singh
{JavaScript Hacker}
I work at Yahoo!

13. YQL is Fun….

14. YQL is Yahoo! Query
Language

15. YQL
is a
web service
which works on SQL like syntax

16. On Web
information is not structured

17. YQL makes easy to
access unstructured
data

18. THIS IS YQL CONSOLE

19. SELECT A TABLE

20. SEE QUERY HERE

21. OUTPUT

22. TAKE AWAY QUERY
URL

23. URL output
http://query.yahooapis.com/{query}

24. URL output
http://query.yahooapis.com/{query}
<xml>
</xml>

25. URL output
http://query.yahooapis.com/{query}
<xml> {
“json”:”json”
}
</xml>

26. JSON
{
“name”: “markandey”
}

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

28. YQL Console Demo

29. Lets see with example

30. Select * from
interestingness

31. select * from flickr.photos.interestingness(20) where
api_key='0fbb2b721757f77a6a9d038f4649a2b'

32. select * from flickr.photos.interestingness(20) where
api_key='0fbb2b721757f77a6a9d038f4649a2b'

33. select * from flickr.photos.interestingness(20) where
api_key='0fbb2b721757f77a6a9d038f4649a2b'
<img src=“
//farm{farm-id}.staticflickr.com/{server-id}/{id}_{secret}.jpg
“>

34. Here is the code

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

36. Flickr Demo

37. YQL With PHP
$session = curl_init($yql_query_url);
curl_setopt($session, CURLOPT_RETURNTRANSFER,true);
$json = curl_exec($session);

38. YQL With YUI
YUI().use('yql', function(Y) {
Y.YQL('select * from weather.forecast where location=90210',
function(r) {
//r now contains the result of the YQL Query
//use the YQL Developer console to learn
//what data is coming back in this object
//and how that data is structured.
});
});

39. YQL has many Yahoo!
and non-yahoo tables

40. Page Scraping

41. Page Scraping URL

42. Page Scraping URL
XPATH

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

44. Your site!!

45. URL
select * from html where
url=“http://www.iitm.ac.in/csdept"
and
xpath=“……..”;

46. XPATH
select * from html where
url=“http://www.iitm.ac.in/csdept"
and
xpath=“//div[@id="content"]/div/tab
le[3]”;

47. ChromYQLip
chromy-clip

48. YQL console demo
Page scraping

49. This is what You get
http://bit.ly/searchiitm

50. Search demo

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

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

53. What else YQL can do????

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

55. My random hello!! table

56. Table Demo

57. Store Secret on YQL
insert into
YQL hosted yql.storage.admin
storage (name, value)
values (“value-name”,”value")

58. Store Secret on YQL
YQL hosted
storage

59. Store Secret on YQL
execute select update
YQL hosted
storage

60. Keys Demo

62. You Can Also Access
Google Spreadsheet
via YQL

63. You need to publish
spreadsheet to the web

64. You need to publish
spreadsheet to the web
https://docs.google.com/spreadsheet/pub?key=
0AgGxPO1AxEhldFZDNzAzQldLSGp2MzVGVXdlUnIxeUE
&output=html

65. You need to publish
spreadsheet to the web
https://docs.google.com/spreadsheet/pub?key=
0AgGxPO1AxEhldFZDNzAzQldLSGp2MzVGVXdlUnIxeUE
&output=CSV

66. You need to publish
spreadsheet to the web
https://docs.google.com/spreadsheet/pub?key=
0AgGxPO1AxEhldFZDNzAzQldLSGp2MzVGVXdlUnIxeUE
&output=CSV
select * from csv where url=’….'

67. Siri vs fake

68. Siri Demo

69. 2 More Things

70. Foo
http://bit.ly/foocode

71. Foo Demo

72. CodeFoo plugin for Sublime Text 2
http://bit.ly/codefoo2

73. Codefoo demo

74. Reach me
@markandey