introduction to semantic web
TRANSCRIPT
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SEMANTIC WEBPRIMER
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Expectations
This is a primer session
Is intended for knowing the overview of semantic web
This is a developing technology
Questions to be taken at the end of presentation
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Agenda
What is Semantic Web
Building Blocks
Benefits
Future Scope
Know More
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What are we talking about?
se man tic- relating to meaning in language or logic.
- a complex system of interconnected elements
web- a complex system of interconnected elements
- world wide web
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What is semantic web
The Semantic Web combines a set of new technologies with
grounded knowledge representation techniques to address the
needs of more formal information modelling and reasoning for web-
based services
Its a collaborative movement led by the World Wide Web Consortium (W3C)
Stack built on the builds on the W3C's Resource Description
Framework (RDF)
We are now talking about Web 3.0
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Definition
The Semantic Web provides a common framework that allows data to
be shared and reused across application, enterprise, and community
boundaries.
-W3C
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Building Blocks
Semantic Web Layer Cake Source: W3C
RDF: It describes Resources through a series of
Statements. Each statement is a Property and Value
that is about a Resource.
OWL: Web Ontology Language, informally OWL, is a
declarative knowledge representation language for
the Semantic Web with formally defined meaning for
creating ontologies.
SPARQL: It’s a query language for RDF.
RIF: Rule Interchange Format family of specifications
focuses on exchange rather than a single one-fits-all.
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Benefits
Consistent mechanisms to model information from simple
vocabularies to complex ontologies.
A formal model approach ensures information reasoning outcomes.
Data linking opportunities aimed at supporting better user
experiences, and hence, improved business outcomes.
A groundswell of activity in the development of open-source tools
to exploit Semantic Web technologies and information
Standardised by the W3C indicating global consensus and open
royalty-free specifications
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Current & Future Scope
Currently used in
Traffic Management
Freight and Fleet Management
Public Transport and Traveler Information
Emergency Management and Safety Services
Toll Payments
Weather and Environment Information
Future Scope
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Want to know more?
http://en.wikipedia.org/wiki/Semantic_Web
http://en.wikipedia.org/wiki/Resource_Description_Framework
http://en.wikipedia.org/wiki/Web_Ontology_Language