Web Semantics

schoolmistInternet και Εφαρμογές Web

22 Οκτ 2013 (πριν από 3 χρόνια και 8 μήνες)

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Web Semantics

Provides a common framework that allows data to be shared and reused.

The Beginning…

2001
-

Tim
Berners

Lee unveiled the future of
intelligent software agents.

As well as
colloborative

effort of w3c and other
partners

Formal Elements



RDF (Resource Description Framework)


OWL (Web Ontology Language)


XML (Extensible Markup Language)


Builds and provides concepts, terms and relationships


HTML links these technologies and allows them to
speak to each other


Semantic Web can not work on its own

Their Purpose


RDF
-

creating and identifying complex links which
then can be created into graphs which can identify
people, places or even subject matter


XML


Textual Data Format, with markup that
creates documents electronically


OWL


processes the content of information for
human consumption AND processed for applications

Booking Flights

Car Trader. Com

Updating Medical Records

Buying

a Car

An Evolution in
Progress

The future of Web 3.0

Faster Communication

Over Multiple Applications

Collaborative effort of W3C and other partners

Why Change What
Works?


Limitations of HTML


Cross Applications
don’t work together


Online Banking,
Calendars, Photo
Programs etc working
together

Google

Became the single largest marketplace because of Semantic Web


Amazon &
Ebay



Social Media

“Collective Intelligence” or “Wisdom of the Crowds”


Combine the richness of human participation and well
-
structured information


Problem : Difficult and Time consuming as well as Cultural Barriers



SEM
-
WEB IN
ACTION

Patiently Waiting
for Web 3.0

Until everyone can agree, which will be never, the
updates of Semantic Web and Web 3.0 will be slow
coming…

References

Wikipedia :

http://en.wikipedia.org/wiki/Semantic_Web

http://en.wikipedia.org/wiki/Resource_Description_Framework


W3C Schools :

http://www.w3schools.com/semweb/semantic_example.asp

http://www.w3.org/RDF/

http://www.w3.org/2009/Talks/0829
-
Nanjing
-
IH/Tutorial.pdf


Semantic Web :
http://semanticweb.org/wiki/Main_Page


Social Media :

http://smartblogs.com/socialmedia/2010/04/02/what
-
will
-
the
-
semantic
-
web
-
mean
-
for
-
social
-
media/

http://tomgruber.org/writing/CollectiveKnowledgeSystems.pdf


In Action :

http://www.ftrain.com/google_takes_all.html

http://www.w3.org/2009/Talks/0829
-
Nanjing
-
IH/Tutorial.pdf