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Resource Description Framework
By: Amina Aiache
Master Degree in Information Systems’ Technologies
https://github.com/Aaiache/WebRDF
1
What is Semantic Web?
• “The Semantic Web is a web of data, in some ways like a
global database” (https://www.w3.org)
• “First step is putting data on the Web in a form that machines
can naturally understand, or converting it to that form, this
creates what I call a Semantic Web : a web of data that can be
processed directly or indirectly by machines” (Tim Berners-
Lee, Weaving the web. Harper, San Fransisco. 1999)
2
The problem
• Web pages are written in HTML.
• Machines are not able to understand the meaning behind
information.
• They cannot help us find what we are interested in!
3
Solution
• A Web where all is about things …
• RDF is A standard of the World Wide Web Consortium (W3C)
for describing resources in the Web.
• It uses triples to describe things :
o Subject – Predicate – Object
o (Thing) – (Property) – (Value)
4
Example:RDF description of a person
named Amina Aiache
5
Thank you!
6

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Web RDF

  • 1. Resource Description Framework By: Amina Aiache Master Degree in Information Systems’ Technologies https://github.com/Aaiache/WebRDF 1
  • 2. What is Semantic Web? • “The Semantic Web is a web of data, in some ways like a global database” (https://www.w3.org) • “First step is putting data on the Web in a form that machines can naturally understand, or converting it to that form, this creates what I call a Semantic Web : a web of data that can be processed directly or indirectly by machines” (Tim Berners- Lee, Weaving the web. Harper, San Fransisco. 1999) 2
  • 3. The problem • Web pages are written in HTML. • Machines are not able to understand the meaning behind information. • They cannot help us find what we are interested in! 3
  • 4. Solution • A Web where all is about things … • RDF is A standard of the World Wide Web Consortium (W3C) for describing resources in the Web. • It uses triples to describe things : o Subject – Predicate – Object o (Thing) – (Property) – (Value) 4
  • 5. Example:RDF description of a person named Amina Aiache 5