Web 3.0 and its application

Views:
 
Category: Education
     
 

Presentation Description

No description available.

Comments

Presentation Transcript

Semantic web and its application :

Semantic web and its application

Slide 2:

Web 3.0 – Evolution of the web to application usable information. Helps humans find required knowledge Form a huge distributed knowledge based system. Share data instead of documents

Web 3.0 extends current Web 2.0 applications using semantic web technologies:

Web 3.0 extends current Web 2.0 applications using semantic web technologies Web 3.0 enablers

Semantic Web Architecture:

Semantic Web Architecture

Resource Description Framework (RDF):

An XML-based standard A framework for representing information Information is represented by triples subject-predicate-object RDF triple (in graph representation) describing Joe Smith - "Joe has homepage identified by URI http://www.example.org/~joe/" Resource Description Framework (RDF)

RDF provides a model for merging graphs based on URIs:

RDF provides a model for merging graphs based on URIs

RDF Schema (RDFS)& Web Ontology Language (OWL):

Provide the ability to infer relationships Mechanisms for making numerous inferences about the classes in which various data elements fall - inferring whether two URIs represent the same or different elements foaf:email rdf:type owl:inverseFunctionalProperty Webapp1: Jim Webapp2:JimH RDF Schema (RDFS)& Web Ontology Language (OWL)

Real world semantic apps:

Powerset - a tool for searching a fixed subset of Wikipedia using conversational phrases rather than keywords. Freebase - A social database about things you know and love, spanning millions of topics in thousands of categories. Twine - Twine automatically learns about you and your interests as you populate it with content - a "Semantic Graph". Real world semantic apps

Conclusion:

Step forward from Web 2.0 Web 2.0 has lot of documents but information is becoming hard to find. Web 3.0 provide intelligent access to these documents Conclusion

References :

Web 3.0 Emerging - Hendler , J http://www.obitko.com/tutorials/ontologies-semantic-web/semantic-web.html Semantic Web Application Areas; D. Fensel , C. Bussler , Y. Ding, V. Kartseva , M. Klein, M. Korotkiy,B . Omelayenko , and R. Siebes http://www.readwriteweb.com/archives/10_semantic_apps_to_watch.php References

authorStream Live Help