The Semantic Web

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1. What is the Semantic Web mean? HTTP. HTML. URL ... http://www.benphoster.com/wp-content/uploads/2011/07/Facebook-User-Growth-Chart.png ...
The Semantic Web The Future of the Web Jalal N. Abdulbaqi Department of Electrical and Computer Engineering Rutgers University 2013

The Semantic Web 1. What is the Semantic Web mean? 2. Why we need Semantic Web? 3. What is used for? (the applications) 4. How it is work? (Technologies)

1. What is the Semantic Web mean? Tim Berners-Lee • The Inverter of The Web (1989). 1. Hypertext Markup Language (HTML). 2. Hypertext Transfer Protocol (HTTP). 3. Uniform Resource Locator (URL).

1. What is the Semantic Web mean?

URL

HTTP HTML

1. What is the Semantic Web mean? Web 1.0 (1989 ~ 2001)

Web 2.0 (2001 ~ present)

http://itdc.lbcc.edu/workshops/online/studentsuccess/web2_0/media/versus.jpg

1. What is the Semantic Web mean?

1. What is the Semantic Web mean?

1. What is the Semantic Web mean?

1. What is the Semantic Web mean? • Web 2.0 is a web of documents. • Semantic Web is a web of data. • Semantic Web is about the meaning of information.

http://www.rockingteam.com/2009/05/what-is-semantic-web/

2. Why we need Semantic Web? • The information of the web is expanded. • Computers still play a passive role.

http://www.moneyma.com/tech-news/internet/total-number-of-websites-in-this-world/

2. Why we need Semantic Web? • Search engines.

2. Why we need Semantic Web? • Search engines.

Search Engine Results • Identical words. • Page rank. • Meta information.

2. Why we need Semantic Web? • Shopping

2. Why we need Semantic Web? • Social Networks

http://www.benphoster.com/wp-content/uploads/2011/07/Facebook-User-Growth-Chart.png

3. What is used for? (the applications) • Application example 1. 2. 3. 4.

Facebook invitation (Time / date / location). Google Calendar: Time / Date ? Google Maps: location ? Amazon: buy a present ?

3 .What is used for? (the applications) Facebook

Google Maps

Sematic Web

Amazon

Google Calendar

4 .How it is work? (Technologies) • • • • •

XML RDF Ontology URI Linked data

http://shapovalenko.typepad.com/photos/uncategorized/2008/03/10/semanticweblayercake2_2.png

4. How it is work? (Technologies) • Resource Description Framework (RDF).

RDF (Description)

• Web Ontology Language (OWL). • Linking data.

Semantic Web Linking data (Linking)

OWL (Relationships)

4. How it is work? (Technologies)

RDF

http://renato.iannella.it/paper/rdf-idiot/rdf-model.gif

4. How it is work? (Technologies)

Person

book

Topic

Article

4. How it is work? (Technologies)

http://www.alchemyapi.com/sites/default/files/linkeddata.png

http://err.bio.nyu.edu/cytoscape/bionetbuilder /webstart/docs/images/ontology_dag2.png

Conclusion • Information on the Internet expanded more that our technologies can deal with. • Machines (Computers) demanded to play an active role. • It is time to transform from web of document to data in which the information can be processed and presented in different formats.

Thank You