Web 3.0Justin Lee

web 1.0 web 2.0 web 3.0

1993 2003 2010 2020

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Web 1.0Read-only content and static HTML websites.

Web 2.0User-generated content and social network

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

Semantic?

What is syntax?How you say something.

What is semantic?The meaning behind what you say.

Web page is written in HTML

HTML describes the syntax not the semantics.

I love you.

for example,

I love you.Does the meaning changed?

No, but machine don’t know.

what machine see what human see

http://www.w3.org/TR/xhtml-rdfa-primer/

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

The problems of current web

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

You have to consult a large numbers of sites.You had to mentally integrate all those information to achieve your goals.

Ivan Herman, 2009

friend list on social network...

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

Why?

Because current web is web of documents.

Documents is unstructured.

unstructured data structured data

word document excel spreadsheet

current web vs. semantic web

unstructured data structured data

web of document web of data

Semantic webenables people to share content beyond the boundaries of applications and websites.

How semantic web works?

Add metadata to webpages.

place

event

person

person

relationship

http://www.lastexittonowhere.com/media/images/uploads/productimage-picture-skynet-43.jpg

semantic web is not A.I.

How to add metadata to webpages?

RDFa

People and OrganizationshCard, XFN

Calendars and EventshCalendar

Opinions, Ratings and ReviewsVoteLinks, hReview

Licenses:rel-license

Tags, Keywords, Categoriesrel-tag

Lists and OutlinesXOXOMore…

specifications {

With semantic web, we can...

increase search efficiency

http://aarronwalter.com/presentations/sxsw08/

bring information from one place to another

Demo

Semantic search engine

WolframAlpha http://www.wolframalpha.com/

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

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

http://www.google.com/squared

Semantic web browser

http://people.mozilla.com/~faaborg/files/20061213-fundamentalTypes/informationBroker.jpg_large.jpg

Firefox with Operator Add-on

IE 8 with Opmph Add-on

http://visitmix.com/lab/oomph

IE 8’s web slice

http://www.microsoft.com/windows/internet-explorer/features/easier.aspx

Semantic web=World wide database

http://www.readwriteweb.com/archives/understanding_the_new_web_era_web_30_linked_data_s.php

From current web to semantic web

Thank you!

Backup Slides

Who’s using Microformats?

Google Maps

Yahoo Local

Upcoming

Facebook

Linkedin

eBay

Amazon

http://www.experientia.com/blog/uploads/2007/07/web_3_2.gif

Web 1.0 vs. Web 2.0 and Web 3.0

http://208.65.30.132:2060/products/cypher/img/ad-framework.gif

Natural Language Processing for the Semantic Web

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>