Post on 08-Sep-2014
description
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Web 3.0Justin Lee
web 1.0 web 2.0 web 3.0
1993 2003 2010 2020
?
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
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
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>