1. Tapping the web for your hack
http://www.flickr.com/photos/triller/2226679393/sizes/z/in/photostream/
Pradeep B V
Developer under construction, Yahoo!
@pradeepbv
http://slideshare.net/pradeepbv

2. Getting information off the Internet is
like taking a drink from a fire hydrant.
Mitchell Kapor
http://www.flickr.com/photos/sfllaw/126657764/sizes/z/in/photostream/

3. Challenge is to figure out a way to get
only what you want!
http://www.flickr.com/photos/traftery/4330388280/sizes/z/in/photostream/

4. http://www.cloudave.com/282/paas-is-the-future-of-cloud-services-apis-are-the-key/

5. There are thousands of APIs…
http://www.cloudave.com/282/paas-is-the-future-of-cloud-services-apis-are-the-key/

6. http://developer.yahoo.com/everything.html

7. http://developer.yahoo.com/everything.html

8. Are you asking me to do this in 24hrs?
• You need to find data API
• Get Access – Sign up for key
• Find data endpoint
• Read docs to learn what parameters you have
• Get data in obscure format
• Use data after converting and filtering
• Model UI to use this data

9. http://www.quizzing.in/kolaveri-meaning

13. an API for the web

14. select * from internet
http://mlcwideangle.exbdblogs.com/files/2010/12/pun328-globe-light-bulb-world-map16.gif

15. Pull, mash, filter, tweak content
from hundreds of APIs

16. Let your idea take center stage
http://mlcwideangle.exbdblogs.com/files/2010/12/pun328-globe-light-bulb-world-map16.gif

17. Yahoo Query Language

18. You can select, filter, sort, limit

19. You can even insert, update, delete

20. select {what} from {where}
where {conditions}

21. SELECT * FROM youtube.search(10)
where query='kolaveri'

22. SELECT * FROM flickr.photos.search
where text="hacku" and
api_key=“your_flickr_api_key"

23. select * from flickr.photos.info where
photo_id in
(select id from
flickr.photos.search where
woe_id in
(select woeid from
geo.places where
text='chennai,india’
)
and license=4
and api_key=“your_flickr_api_key"
)
and api_key=“your_flickr_api_key"

24. INSERT INTO bitly.shorten (login, apiKey,
longUrl) VALUES ('ME', 'API_KEY',
'http://yahoo.com')

25. UPDATE social.profile.status
SET status="Using YQL UPDATE”
WHERE guid=me

26. The easiest way to start with YQL
is to use the console
http://developer.yahoo.com/yql/console

27. YQL: http://developer.yahoo.com/yql/console

31. Output formats are XML or JSON.
JSON also allows for a callback
parameter to use the output directly
as JSON-P.

32. Find hackday tweets:
SELECT * FROM twitter.search where
q='hackday’

33. Search Yahoo! Answers for resolved questions
about cars:
select * from answers.search where
query="cars" and type="resolved”

34. Extract important terms from top stories on
Yahoo! news:
select * from search.termextract where
context in (select description from rss where
url='http://rss.news.yahoo.com/rss/topstories
')

35. Find the location of IIT Chennai:
select * from geo.placefinder where text="iit
chennai"

36. Find distance between Bangalore and
Chennai:
select * from geo.distance where
place1="bangalore" and place2=”chennai”

37. Get stock quotes for Yahoo!, Apple, Google &
Microsoft in one query:
select * from yahoo.finance.quotes where
symbol in ("YHOO","AAPL","GOOG","MSFT")

38. Shorten a URL:
insert into yahoo.y.ahoo.it (url, keysize) values
('http:// www.javarants.com', 5)

39. Search for iphone in criagslist:
select * from craigslist.search where
location="chennai" and type="sss" and
query="iphone"

40. Scrape news from Yahoo! Finance:
select * from html where
url="http://finance.yahoo.com/q? s=yhoo"
and
xpath='//div[@id="yfi_headlines"]/div[2]/ul/li
/a’

41. Select, filter data from google spreadsheets:
select * from csv where
url="https://docs.google.com/spreadsheet/p
ub?key=0AvFtD9X4NsUjdDlfUWlmVmJIU1hZ
WUVFMDZyaS1pdkE&output=csv" and col3
like '%Mechanical%'
Interdisciplinary Research Projects at IIT Madras run by Mechanical Engg Dept.

42. Select, filter data from google spreadsheets:
select * from csv where
url="https://spreadsheets.google.com/pub?k
ey=0ArYndzim-
lbrdF8wc3A5QWl1ZGRpdkxRZk80SU9zUXc&o
utput=csv" and col5 like 'Chennai%'
Details of MP’s from Chennai

43. Some YQL hacks

44. http://bit.ly/chromeYQL

45. ht t p:/ / w w w.w ebmeme.in

46. ht t p:/ / git hub.com/ yql/ yql -t ables

47. All Yahoo! APIs and Services
http://developer.yahoo.com/everything.html
YQL Documentation
http://developer.yahoo.com/yql
YQL Console
http://developer.yahoo.com/yql/console
YQL Github Account (Contribute Tables)
http://github.com/yql/yql-tables