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Semantic Web - A Smart Answering Machine

Web 2.03.0

IET Bangalore PATW 2012 Future Technologies for Emerging Markets

18th May 2012Dayananda Sagar College of Engineering, Bangalore

Sree Gowri Rao.B.NAIT, Chikmagalur

SDMIMD, Mysore

“Some people have said, ‘Why do I need the Semantic Web? I have

Google!’ Google is great for helping people find things, Yes! But finding

things more easily is what Semantic Web all about.”

-Tim Berners Lee

2Source - leroyspinkfist.blogspot.com

The Web Generation

3Source – Radar Networks & Nova Splvack, 2007 - www.radarnetworks.com

Identity + Definition + Structure

dsfe

IDsMachines need a unique, consistent way to identify a

thing or concept.

Bill Clinton = President William Jefferson Clinton

President Bush ≠ President Bush (George H.W) (George W)

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1 2 3

Source – 1-.en.wikipedia.org 2. en.wikipedia.org 3. nndb.com

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Identity - Standards

Standard Identifiers• ISBN -International

Standard Book Number

• ISMN – Music• ISAN – Audiovisual

Works

Source –flipkart.com

Identity – Open Source

Music Brainz – Database of music metadata, licensed by BBC to augment web pages

6Source – 1 - musicbrainz.org 2.www.bbc.co.uk

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Identity + Definition + Structure

Ontology

Define Classifications, Relationships, Logic & Properties

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Blackberry1 is a Fruit

A Fruit is an Edible Thing

Blackberry2 is a Wireless Email Device

A Wireless Email Device is an Mobile Electronic Device

Properties of Edible Things

Seasonal – Yes/NoCalories - #Ingredients – Other Edible Things

A Mobile Electronic Device can never be an Edible Thing

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Source – 1 - commons.wikimedia.org 2. en.wikipedia.org

Identity + Definition + Structure

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Resource Description Framework (RDF)

A model for expressing metadata as triples

Blackberry2 can’t be an ingredient of BerryPie, because it’s not an EdibleThing and all ingredients of EdibleThings must also be EdibleThings

Source – 1, 2 - THERE’S NO SEMANTIC WEB WITHOUT CONTENT AND DATA PRESENTATION WEB CONTENT 2010 –8 JUNE 2010

1 2

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ISBN No Author Id Title Publisher Id Year

ISBN0-00-651409-X Id_xyz The Glass Palace Id_pqr 2000

Author Id Name Homepage

Id_xyz Ghosh, Amitav http://www.amitavghosh.com

Publisher Id Publisher Name City

Id_pqr Harpers Collins London

Source – Ivan Herman, Tutorial on the Semantic Web

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The Change

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Source – 1 - THERE’S NO SEMANTIC WEB WITHOUT CONTENT AND DATA PRESENTATION WEB CONTENT 2010 –8 JUNE 2010 2. blog.hakia.com

• Elite and specialized users will be able to take advantage of the semantic web in ways that everyday internet users likely will not.

• Business applications will have more stakeholders than consumer or social apps.

• There are some applications and activities online that show the promise of the semantic web among them: TripIt, Xobni, TrueKnowledge, Wolfram|Alpha, Open Calais, Hakia.

• Google plans to incorporate Semantic Search11

Future

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References

•D. Fensel, C. B. Semantic Web Application Areas.•Karger, K. B. Semantic Web Applications.•Marquis, J. . Semantic Web Technology and the Future of Learning. •Matthews, D. B.. Semantic Web Technologies. JISC Technology and Standards Watch.•Nations, D. . What is Web 3.0? •Spivack, N. . Web 3.0: The Third Generation Web is Coming.

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Thank You !