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Exploring and using the Semantic Web - SSSW09 tutorial

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Mathieu d'Aquin
Mathieu d'Aquin

This document discusses exploring and using the Semantic Web. It provides examples of querying DBPedia to find information and describes several tools for exploring the Semantic Web including semantic search engines, APIs, datasets, and applications that have been built using Semantic Web resources. The document emphasizes that while much information is available, there is still work to be done in improving links between resources and understanding relevance and relations within the Semantic Web.

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Exploring and Using the Semantic Web Mathieu d’Aquin KMi, The Open University – m.daquin@open.ac.uk
[object Object],What?? RDF documents Ontologies Vocabularies Linked Data
Example: Exploring DBPedia ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example: Exploring DBPedia ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Linked Open Data (LOD) cloud: http://esw.w3.org/topic/SweoIG/TaskForces/CommunityProjects/LinkingOpenData
Other Tools to Explore the Linked Data Cloud… ,[object Object],[object Object],[object Object],[object Object]
Finding Semantic Information on the Web ,[object Object],Sindice: http://sindice.com Watson: http://watson.kmi.open.ac.uk Swoogle: http://swoogle.umbc.edu/ Falcons: http://iws.seu.edu.cn/services/falcons/objectsearch/ SWSE: http://swse.deri.org/ …
Example: Watson (architecture)
Example: Watson (interface) http://watson.kmi.open.ac.uk
So, what can you find on the Semantic Web? ,[object Object],[object Object],[object Object],[object Object],Language Complexity Size of documents Topic coverage
Using It How?? Building Applications!!! Reusing in Ontologies Linking to Other Datasets Through SPARQL Through API
What to use? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example: Watson API ,[object Object],[object Object],[object Object],[object Object],[object Object]
Some applications we developed Ontology Reuse: The Watson Plugin Question Answering: PowerAqua Semantic Browsing: PowerMagpie Semantic Relation Discovery: Scarlet Folksonomy Enrichment And also: Word sense disambiguation Query Expansion Synonym Discovery…
A demonstrator: Wahoo! Find on the Semantic Web terms to specialize or generalize a query to a search engine (Yahoo).
The technical stuff… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Other Example: Scarlet ka2.rdf Researcher AcademicStaff Semantic Web Researcher AcademicStaff ISWC SWRC Ham SeaFood Semantic Web Ham SeaFood Meat Meat SeaFood Agrovoc NALT pizza-to-go wine.owl NALT
Other Example: Scarlet
Other Example: The Watson Plugin Chose an entity to search Get entities from online ontologies Integrate statements Into the edited ontology
More? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Thanks! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Exploring and using the Semantic Web - SSSW09 tutorial

  • 1. Exploring and Using the Semantic Web Mathieu d’Aquin KMi, The Open University – m.daquin@open.ac.uk
  • 2.
  • 3.
  • 4.
  • 5. Linked Open Data (LOD) cloud: http://esw.w3.org/topic/SweoIG/TaskForces/CommunityProjects/LinkingOpenData
  • 6.
  • 7.
  • 9. Example: Watson (interface) http://watson.kmi.open.ac.uk
  • 10.
  • 11. Using It How?? Building Applications!!! Reusing in Ontologies Linking to Other Datasets Through SPARQL Through API
  • 12.
  • 13.
  • 14. Some applications we developed Ontology Reuse: The Watson Plugin Question Answering: PowerAqua Semantic Browsing: PowerMagpie Semantic Relation Discovery: Scarlet Folksonomy Enrichment And also: Word sense disambiguation Query Expansion Synonym Discovery…
  • 15. A demonstrator: Wahoo! Find on the Semantic Web terms to specialize or generalize a query to a search engine (Yahoo).
  • 16.
  • 17. Other Example: Scarlet ka2.rdf Researcher AcademicStaff Semantic Web Researcher AcademicStaff ISWC SWRC Ham SeaFood Semantic Web Ham SeaFood Meat Meat SeaFood Agrovoc NALT pizza-to-go wine.owl NALT
  • 19. Other Example: The Watson Plugin Chose an entity to search Get entities from online ontologies Integrate statements Into the edited ontology
  • 20.
  • 21.