1. Semantic Web
S.M.A.P. Subasighe
M.Sc. In Computer Science
Post Graduate Institute of Science
University Of Peradeniya

2. Overview
 History of Semantic web
 Innovation For Semantic Web
 Applications of Semantic Web
 Concepts in Semantic Web
 Conclusion

3. Tim Berner Lee
Inventor of
WWW
HTML
URI
Now
Semantic Web

4. Big Idea
A Web that will
 Evolve around a collection of knowledge
 Allow people to add what they know
 Allow people to find answer to their questions
Uses a structured form
 Evolve around a collection of knowledge

5. Before the world wide web
Connection through Citation

6. Before the world wide web

7. Web 1.0 : Web of Documents

8. Web 1.0 : Web of Documents

9. Web 1.0 : Web of Documents

10. Web 2.0 : Application Silos

11. Web 2.0 : Application Silos

12. Web 2.0 : Application Silos

13. Web 3.0 : Connect data

14. Web 3.0 : Social Semantic

15. Semantic Web: Technical Jorgan
RDF – Resource Descriptive Framework

16. Semantic Web: Technical Jargons
Ontology – Ontologies contain formalized knowledge about a domain.

17. Semantic Web: Technical Jargons
Others
 Ontology Matching
 SPARQL Queries
 Artificial Intelligence
 Natural Language Processing

18. Conclusion & Questions?
 Semantic web is enabling people to connect data rather than
document level
 This have opened up new innovation for Web 3.0

19. Thank you...