1. Web 3.0
Justin Lee

2. web 1.0 web 2.0 web 3.0
1993 2003 2010 2020
?

3. Web 1.0
Read-only content and static HTML websites.

4. Web 2.0
User-generated content and social network

5. Web 3.0
Semantic Web, machine can read the data and help us

6. Semantic?

7. What is syntax?
How you say something.

8. What is semantic?
The meaning behind what you say.

9. Web page is written in HTML

10. HTML describes the syntax
not the semantics.

11. I love you.
for example,

12. I love you.
Does the meaning changed?
No, but machine don’t know.

13. what machine see what human see
http://www.w3.org/TR/xhtml-rdfa-primer/

14. The goals of semantic web
Spend less time searching
Spend less time looking at things that do not matter
Spend less time explaining what we want to computers

15. The problems of current web

16. When you try to organize a trip
on the web...

17. You have to consult a large numbers of sites.
You had to mentally integrate all those information to
achieve your goals.
Ivan Herman, 2009

18. friend list on social network...

19. You had to type in and connect with
friends again and again for each site.

20. Why?

21. Because current web is
web of documents.

22. Documents is unstructured.

23. unstructured data structured data
word document excel spreadsheet

24. current web vs. semantic web
unstructured data structured data
web of document web of data

25. Semantic web
enables people to share content beyond
the boundaries of applications and
websites.

26. How semantic web works?

27. Add metadata to webpages.
place
event
person
person
relationship

28. http://www.lastexittonowhere.com/media/images/uploads/productimage-picture-skynet-43.jpg
semantic web is not A.I.

29. How to add metadata to webpages?
RDFa

30. People and Organizations
hCard, XFN
Calendars and Events
hCalendar
Opinions, Ratings and Reviews
VoteLinks, hReview
Licenses:
rel-license
Tags, Keywords, Categories
rel-tag
Lists and Outlines
XOXO
More…
specifications
{

31. With semantic web, we can...

32. increase search efficiency

33. http://aarronwalter.com/presentations/sxsw08/
bring information from one place to another

34. Demo

35. Semantic search engine

36. WolframAlpha http://www.wolframalpha.com/

38. retrevo: electronics http://www.retrevo.com

41. spock: people http://www.spock.com/

43. http://www.google.com/squared

45. Semantic web browser

46. http://people.mozilla.com/~faaborg/files/20061213-fundamentalTypes/informationBroker.jpg_large.jpg
Firefox with Operator Add-on

47. IE 8 with Opmph Add-on
http://visitmix.com/lab/oomph

48. IE 8’s web slice
http://www.microsoft.com/windows/internet-explorer/features/easier.aspx

49. Semantic web=World wide database
http://www.readwriteweb.com/archives/understanding_the_new_web_era_web_30_linked_data_s.php

50. From current web to semantic web

51. Thank you!

52. Backup Slides

53. Who’s using Microformats?
Google Maps
Yahoo Local
Upcoming
Facebook
Linkedin
eBay
Amazon

54. http://www.experientia.com/blog/uploads/2007/07/web_3_2.gif
Web 1.0 vs. Web 2.0 and Web 3.0

55. http://208.65.30.132:2060/products/cypher/img/ad-framework.gif
Natural Language Processing
for the Semantic Web

56. example of microformat’s hCard
<li id="33458931" class="vcard"><div class="main-data"><a href="http://local.yahoo.com/
info-33458931-ra-sushi-bar-restaurant-houston" class="biz-name fn org">RA Sushi Bar
Restaurant</a>
<em class="tel">(713) 621-0800</em>
<em class="adr">
<span class="street-address">3908 Westheimer Rd</span>
<span class="locality">Houston</span>,
<span class="region">TX</span></em>
<a href="http://www.rasushi.com/" class="url" target="_blank">www.rasushi.com</a>
</div>
</li>