My presentation at the webmontag in Frankfurt about decentralisation of data, using APIs and mixing the web with YQL.

1. into th e web
o f data
Christian Heilmann – Webmontag, Frankfurt/Main – August 2009

2. Developing the web vs.
developing for the web.

3. Decentralised Data

4. http://www.amazon.de/Web-Development-
Solutions-Libraries-Services/dp/1590598067

5. CMS

6. CMS

7. CMS
Tags, Comments, Connections, Embeds

8. http://developer-evangelism.com/web.php

9. APIs

10. APIs
http://search.twitter.com/trends/current.json

11. API Issues

12. No need for
rockstars

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

14. YQL http://developer.yahoo.com/yql/console/
select {what} from {where}
where {conditions}

22. For example: Frankfurt

23. http://isithackday.com/hacks/frankfurt

30. select * from html
where
url="http://faz.de" and
xpath="//h2 "

31. select * from
google.translate where q in (
select a from html where
url="http://faz.de"
and xpath="//h2"
) and target="en"

32. select title from
twitter.user.timeline where
title like "%http%" and
id="codepo8" or id="ydn"

33. Flexibility
๏ mix and match APIs
๏ filter results
๏ simplify authentication
๏ use in console or from
code
๏ minimal research of
documentation
๏ caching of results
๏ proxied on Yahoos
servers

34. Join the
web of
data!
http://developer.yahoo.com/yql/guide/yql-opentables-chapter.html

35. Got you excited? Go for it!

36. C h e e r s !
Christian Heilmann
http://wait-till-i.com
http://developer-evangelism.com
http://twitter.com/codepo8